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10220010002220 = 2235617276067261
BaseRepresentation
bin1001010010111000100000…
…0100001101011100101100
31100012000122001212101001010
42110232020010031130230
52314421040030032340
633423001402545220
72103241242454224
oct224561004153454
940160561771033
1010220010002220
113290311236037
121190858808210
13591986c44ba5
1427491897b084
1512aca4e5bb80
hex94b8810d72c

10220010002220 has 48 divisors (see below), whose sum is σ = 28662407409888. Its totient is φ = 2720918914560.

The previous prime is 10220010002161. The next prime is 10220010002227. The reversal of 10220010002220 is 2220001002201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10220010002196 and 10220010002205.

It is not an unprimeable number, because it can be changed into a prime (10220010002227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137996611 + ... + 138070650.

It is an arithmetic number, because the mean of its divisors is an integer number (597133487706).

Almost surely, 210220010002220 is an apocalyptic number.

10220010002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10220010002220 is an abundant number, since it is smaller than the sum of its proper divisors (18442397407668).

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

10220010002220 is a wasteful number, since it uses less digits than its factorization.

10220010002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276067890 (or 276067888 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 10220010002220 its reverse (2220001002201), we get a palindrome (12440011004421).

The spelling of 10220010002220 in words is "ten trillion, two hundred twenty billion, ten million, two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 617 1234 1851 2468 3085 3702 6170 7404 9255 12340 18510 37020 276067261 552134522 828201783 1104269044 1380336305 1656403566 2760672610 3312807132 4141008915 5521345220 8282017830 16564035660 170333500037 340667000074 511000500111 681334000148 851667500185 1022001000222 1703335000370 2044002000444 2555002500555 3406670000740 5110005001110 10220010002220