20059660920 has 64 divisors (see below), whose sum is σ = 64808140320. Its totient is φ = 4937762304.

The previous prime is 20059660903. The next prime is 20059660921. The reversal of 20059660920 is 2906695002.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20059660921) 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, 6427819 + ... + 6430938.

Almost surely, 2^20059660920 is an apocalyptic number.

20059660920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20059660920 is an abundant number, since it is smaller than the sum of its proper divisors (44748479400).

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

20059660920 is a wasteful number, since it uses less digits than its factorization.

20059660920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12858784 (or 12858780 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 20059660920 in words is "twenty billion, fifty-nine million, six hundred sixty thousand, nine hundred twenty".