10020120102 has 24 divisors (see below), whose sum is σ = 21807624384. Its totient is φ = 3325060944.

The previous prime is 10020120053. The next prime is 10020120119. The reversal of 10020120102 is 20102102001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1244133 + ... + 1252160.

It is an arithmetic number, because the mean of its divisors is an integer number (908651016).

Almost surely, 2^10020120102 is an apocalyptic number.

10020120102 is an abundant number, since it is smaller than the sum of its proper divisors (11787504282).

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

10020120102 is a wasteful number, since it uses less digits than its factorization.

10020120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496524 (or 2496521 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 10020120102 its reverse (20102102001), we get a palindrome (30122222103).

The spelling of 10020120102 in words is "ten billion, twenty million, one hundred twenty thousand, one hundred two".