102010220120 has 32 divisors (see below), whose sum is σ = 229640814720. Its totient is φ = 40783142400.

The previous prime is 102010220119. The next prime is 102010220173. The reversal of 102010220120 is 21022010201.

It is a happy number.

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, 575537 + ... + 731616.

It is an arithmetic number, because the mean of its divisors is an integer number (7176275460).

Almost surely, 2^102010220120 is an apocalyptic number.

102010220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102010220120 is an abundant number, since it is smaller than the sum of its proper divisors (127630594600).

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

102010220120 is a wasteful number, since it uses less digits than its factorization.

102010220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309115 (or 1309111 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102010220120 its reverse (21022010201), we get a palindrome (123032230321).

The spelling of 102010220120 in words is "one hundred two billion, ten million, two hundred twenty thousand, one hundred twenty".