102013202120 has 64 divisors (see below), whose sum is σ = 232870809600. Its totient is φ = 40215571200.

The previous prime is 102013202117. The next prime is 102013202143. The reversal of 102013202120 is 21202310201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 102013202095 and 102013202104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700586 + ... + 833574.

It is an arithmetic number, because the mean of its divisors is an integer number (3638606400).

Almost surely, 2^102013202120 is an apocalyptic number.

102013202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102013202120 is an abundant number, since it is smaller than the sum of its proper divisors (130857607480).

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

102013202120 is a wasteful number, since it uses less digits than its factorization.

102013202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133278 (or 133274 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 102013202120 its reverse (21202310201), we get a palindrome (123215512321).

The spelling of 102013202120 in words is "one hundred two billion, thirteen million, two hundred two thousand, one hundred twenty".