20212013104 has 20 divisors (see below), whose sum is σ = 39993984864. Its totient is φ = 9890984768.

The previous prime is 20212013069. The next prime is 20212013141. The reversal of 20212013104 is 40131021202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13438087 + ... + 13439590.

Almost surely, 2^20212013104 is an apocalyptic number.

It is an amenable number.

20212013104 is a deficient number, since it is larger than the sum of its proper divisors (19781971760).

20212013104 is a wasteful number, since it uses less digits than its factorization.

20212013104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26877732 (or 26877726 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 20212013104 its reverse (40131021202), we get a palindrome (60343034306).

The spelling of 20212013104 in words is "twenty billion, two hundred twelve million, thirteen thousand, one hundred four".