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222011222020 = 22572971770177
BaseRepresentation
bin1100111011000011100…
…1100110100000000100
3210020001100021121200121
43032300321212200010
512114134333101040
6245553542551324
722016434151650
oct3166071464004
9706040247617
10222011222020
1186177602085
123703b138544
1317c2159ccc3
14aa61543a60
155b95a6cc4a
hex33b0e66804

222011222020 has 96 divisors (see below), whose sum is σ = 558964385280. Its totient is φ = 72458158080.

The previous prime is 222011221921. The next prime is 222011222089. The reversal of 222011222020 is 20222110222.

It is a junction number, because it is equal to n+sod(n) for n = 222011221985 and 222011222003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96829 + ... + 673348.

It is an arithmetic number, because the mean of its divisors is an integer number (5822545680).

Almost surely, 2222011222020 is an apocalyptic number.

222011222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011222020 is an abundant number, since it is smaller than the sum of its proper divisors (336953163260).

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

222011222020 is a wasteful number, since it uses less digits than its factorization.

222011222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770293 (or 770291 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222011222020 its reverse (20222110222), we get a palindrome (242233332242).

The spelling of 222011222020 in words is "two hundred twenty-two billion, eleven million, two hundred twenty-two thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 29 35 58 70 71 116 140 142 145 203 284 290 355 406 497 580 710 812 994 1015 1420 1988 2030 2059 2485 4060 4118 4970 8236 9940 10295 14413 20590 28826 41180 57652 72065 144130 288260 770177 1540354 3080708 3850885 5391239 7701770 10782478 15403540 21564956 22335133 26956195 44670266 53912390 54682567 89340532 107824780 109365134 111675665 156345931 218730268 223351330 273412835 312691862 382777969 446702660 546825670 625383724 765555938 781729655 1093651340 1531111876 1563459310 1585794443 1913889845 3126918620 3171588886 3827779690 6343177772 7655559380 7928972215 11100561101 15857944430 22201122202 31715888860 44402244404 55502805505 111005611010 222011222020