20879955003 has 16 divisors (see below), whose sum is σ = 28017216000. Its totient is φ = 13831519680.

The previous prime is 20879954911. The next prime is 20879955011. The reversal of 20879955003 is 30055997802.

It is a happy number.

It is not a de Polignac number, because 20879955003 - 2¹⁴ = 20879938619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20879954003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431338 + ... + 477296.

It is an arithmetic number, because the mean of its divisors is an integer number (1751076000).

Almost surely, 2^20879955003 is an apocalyptic number.

20879955003 is a deficient number, since it is larger than the sum of its proper divisors (7137260997).

20879955003 is a wasteful number, since it uses less digits than its factorization.

20879955003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46922.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 20879955003 in words is "twenty billion, eight hundred seventy-nine million, nine hundred fifty-five thousand, three".