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20220210012020 = 22519232432339257
BaseRepresentation
bin1001001100011111000100…
…11011110101111101110100
32122121000220012110011201212
410212033202123311331310
510122241442230341040
6111001011454540552
74154601440156504
oct446174233657564
978530805404655
1020220210012020
116496385459407
12232698b507758
13b389b065bcb5
144dc940491a04
15250e9270bd65
hex1263e26f5f74

20220210012020 has 144 divisors (see below), whose sum is σ = 47811813551040. Its totient is φ = 7158797065728.

The previous prime is 20220210012017. The next prime is 20220210012083. The reversal of 20220210012020 is 2021001202202.

It is a junction number, because it is equal to n+sod(n) for n = 20220210011986 and 20220210012004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7474232 + ... + 9813488.

Almost surely, 220220210012020 is an apocalyptic number.

20220210012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220210012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23905906775520).

20220210012020 is an abundant number, since it is smaller than the sum of its proper divisors (27591603539020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20220210012020 is a wasteful number, since it uses less digits than its factorization.

20220210012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2339374 (or 2339349 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20220210012020 its reverse (2021001202202), we get a palindrome (22241211214222).

The spelling of 20220210012020 in words is "twenty trillion, two hundred twenty billion, two hundred ten million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 19 20 23 38 43 46 76 86 92 95 115 172 190 215 230 380 430 437 460 529 817 860 874 989 1058 1634 1748 1978 2116 2185 2645 3268 3956 4085 4370 4945 5290 8170 8740 9890 10051 10580 16340 18791 19780 20102 22747 37582 40204 45494 50255 75164 90988 93955 100510 113735 187910 201020 227470 375820 432193 454940 864386 1728772 2160965 2339257 4321930 4678514 8643860 9357028 11696285 23392570 44445883 46785140 53802911 88891766 100588051 107605822 177783532 201176102 215211644 222229415 269014555 402352204 444458830 502940255 538029110 888917660 1005880510 1022255309 1076058220 1237466953 1911172969 2011761020 2044510618 2313525173 2474933906 3822345938 4089021236 4627050346 4949867812 5111276545 6187334765 7644691876 9254100692 9555864845 10222553090 11567625865 12374669530 19111729690 20445106180 23135251730 23511872107 24749339060 38223459380 43956978287 46270503460 47023744214 53211078979 87913956574 94047488428 106422157958 117559360535 175827913148 212844315916 219784891435 235118721070 266055394895 439569782870 470237442140 532110789790 879139565740 1011010500601 1064221579580 2022021001202 4044042002404 5055052503005 10110105006010 20220210012020