20013020102 has 16 divisors (see below), whose sum is σ = 30076782000. Its totient is φ = 9987442560.

The previous prime is 20013020087. The next prime is 20013020119. The reversal of 20013020102 is 20102031002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4504202 + ... + 4508642.

It is an arithmetic number, because the mean of its divisors is an integer number (1879798875).

Almost surely, 2^20013020102 is an apocalyptic number.

20013020102 is a deficient number, since it is larger than the sum of its proper divisors (10063761898).

20013020102 is a wasteful number, since it uses less digits than its factorization.

20013020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20013020102 its reverse (20102031002), we get a palindrome (40115051104).

The spelling of 20013020102 in words is "twenty billion, thirteen million, twenty thousand, one hundred two".