102202122100020 has 24 divisors (see below), whose sum is σ = 286165941880224. Its totient is φ = 27253899226656.

The previous prime is 102202122100003. The next prime is 102202122100079. The reversal of 102202122100020 is 20001221202201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 851684350774 + ... + 851684350893.

It is an arithmetic number, because the mean of its divisors is an integer number (11923580911676).

Almost surely, 2^{102202122100020} is an apocalyptic number.

102202122100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102202122100020 is an abundant number, since it is smaller than the sum of its proper divisors (183963819780204).

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

102202122100020 is a wasteful number, since it uses less digits than its factorization.

102202122100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703368701679 (or 1703368701677 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102202122100020 its reverse (20001221202201), we get a palindrome (122203343302221).

The spelling of 102202122100020 in words is "one hundred two trillion, two hundred two billion, one hundred twenty-two million, one hundred thousand, twenty".