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102100002202020 = 223528359312238291
BaseRepresentation
bin10111001101110000000010…
…010111001110000110100100
3111101111122221200221121002210
4113031300002113032012210
5101340301301030431040
61001052032110003420
730335324143266564
oct2715600227160644
9441448850847083
10102100002202020
112a594405557509
12b54b7b81a6570
1344c7cb17ab104
141b2d948b36da4
15bc0cc6cbe480
hex5cdc025ce1a4

102100002202020 has 192 divisors, whose sum is σ = 287643641370624. Its totient is φ = 27059298539520.

The previous prime is 102100002202013. The next prime is 102100002202021. The reversal of 102100002202020 is 20202200001201.

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 = 102100002201987 and 102100002202005.

It is not an unprimeable number, because it can be changed into a prime (102100002202021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12314554075 + ... + 12314562365.

It is an arithmetic number, because the mean of its divisors is an integer number (1498143965472).

Almost surely, 2102100002202020 is an apocalyptic number.

102100002202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102100002202020 is an abundant number, since it is smaller than the sum of its proper divisors (185543639168604).

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

102100002202020 is a wasteful number, since it uses less digits than its factorization.

102100002202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10402 (or 10400 counting only the distinct ones).

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

Adding to 102100002202020 its reverse (20202200001201), we get a palindrome (122302202203221).

The spelling of 102100002202020 in words is "one hundred two trillion, one hundred billion, two million, two hundred two thousand, twenty".