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102202122022220 = 22511787590286023
BaseRepresentation
bin10111001111001111001001…
…001011011010110101001100
3111101212102112121101221222202
4113033033021023122311030
5101343434421214202340
61001211001240101032
730345600600402113
oct2717171113326514
9441772477357882
10102202122022220
112a623749528930
12b567557a64778
13450480752801c
141b34875522c7a
15bc37a2188c15
hex5cf3c92dad4c

102202122022220 has 48 divisors (see below), whose sum is σ = 234433275003648. Its totient is φ = 37117185063360.

The previous prime is 102202122022211. The next prime is 102202122022267. The reversal of 102202122022220 is 22220221202201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 102202122022192 and 102202122022201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294969872 + ... + 295316151.

It is an arithmetic number, because the mean of its divisors is an integer number (4884026562576).

Almost surely, 2102202122022220 is an apocalyptic number.

102202122022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202122022220 is an abundant number, since it is smaller than the sum of its proper divisors (132231152981428).

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

102202122022220 is a wasteful number, since it uses less digits than its factorization.

102202122022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590286830 (or 590286828 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 102202122022220 its reverse (22220221202201), we get a palindrome (124422343224421).

The spelling of 102202122022220 in words is "one hundred two trillion, two hundred two billion, one hundred twenty-two million, twenty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 787 1574 3148 3935 7870 8657 15740 17314 34628 43285 86570 173140 590286023 1180572046 2361144092 2951430115 5902860230 6493146253 11805720460 12986292506 25972585012 32465731265 64931462530 129862925060 464555100101 929110200202 1858220400404 2322775500505 4645551001010 5110106101111 9291102002020 10220212202222 20440424404444 25550530505555 51101061011110 102202122022220