20544883020 has 72 divisors (see below), whose sum is σ = 62331154704. Its totient is φ = 5477609088.

The previous prime is 20544882971. The next prime is 20544883031. The reversal of 20544883020 is 2038844502.

20544883020 is a `hidden beast` number, since 2 + 0 + 544 + 88 + 30 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842502 + ... + 1853618.

It is an arithmetic number, because the mean of its divisors is an integer number (865710482).

Almost surely, 2^20544883020 is an apocalyptic number.

20544883020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20544883020 is an abundant number, since it is smaller than the sum of its proper divisors (41786271684).

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

20544883020 is a wasteful number, since it uses less digits than its factorization.

20544883020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21399 (or 21394 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The spelling of 20544883020 in words is "twenty billion, five hundred forty-four million, eight hundred eighty-three thousand, twenty".