102113200020 has 96 divisors (see below), whose sum is σ = 308011616640. Its totient is φ = 25127308800.

The previous prime is 102113199967. The next prime is 102113200061. The reversal of 102113200020 is 20002311201.

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 = 102113199969 and 102113200005.

It is a congruent number.

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, 2554951 + ... + 2594609.

It is an arithmetic number, because the mean of its divisors is an integer number (3208454340).

Almost surely, 2^102113200020 is an apocalyptic number.

102113200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102113200020 is an abundant number, since it is smaller than the sum of its proper divisors (205898416620).

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

102113200020 is a wasteful number, since it uses less digits than its factorization.

102113200020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42985 (or 42983 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 102113200020 its reverse (20002311201), we get a palindrome (122115511221).

The spelling of 102113200020 in words is "one hundred two billion, one hundred thirteen million, two hundred thousand, twenty".