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102220020122220 = 2232571113567321679
BaseRepresentation
bin10111001111011111110011…
…111111010000001001101100
3111101221010201221211122111100
4113033133303333100021230
5101344233100122402340
61001223121242323100
730350103250626510
oct2717376377201154
9441833657748440
10102220020122220
112a6302a3541310
12b56ab11ab9490
1345063ca5cb040
141b356925c6140
15bc3e9d614830
hex5cf7f3fd026c

102220020122220 has 288 divisors, whose sum is σ = 416314264504320. Its totient is φ = 19606637191680.

The previous prime is 102220020122173. The next prime is 102220020122221. The reversal of 102220020122220 is 22221020022201.

102220020122220 is a `hidden beast` number, since 1 + 0 + 2 + 220 + 0 + 201 + 22 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102220020122193 and 102220020122202.

It is not an unprimeable number, because it can be changed into a prime (102220020122221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 283480660 + ... + 283841019.

It is an arithmetic number, because the mean of its divisors is an integer number (1445535640640).

Almost surely, 2102220020122220 is an apocalyptic number.

102220020122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102220020122220 is an abundant number, since it is smaller than the sum of its proper divisors (314094244382100).

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

102220020122220 is a wasteful number, since it uses less digits than its factorization.

102220020122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567321725 (or 567321720 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 102220020122220 its reverse (22221020022201), we get a palindrome (124441040144421).

The spelling of 102220020122220 in words is "one hundred two trillion, two hundred twenty billion, twenty million, one hundred twenty-two thousand, two hundred twenty".