20071204080 has 40 divisors (see below), whose sum is σ = 62220733392. Its totient is φ = 5352321024.

The previous prime is 20071204067. The next prime is 20071204091. The reversal of 20071204080 is 8040217002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20071204080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41814769 + ... + 41815248.

Almost surely, 2^20071204080 is an apocalyptic number.

20071204080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20071204080 is an abundant number, since it is smaller than the sum of its proper divisors (42149529312).

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

20071204080 is a wasteful number, since it uses less digits than its factorization.

20071204080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83630033 (or 83630027 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The spelling of 20071204080 in words is "twenty billion, seventy-one million, two hundred four thousand, eighty".