20407580592 has 40 divisors (see below), whose sum is σ = 60250953216. Its totient is φ = 5830737216.

The previous prime is 20407580569. The next prime is 20407580681. The reversal of 20407580592 is 29508570402.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 30368088 + ... + 30368759.

Almost surely, 2^20407580592 is an apocalyptic number.

It is an amenable number.

20407580592 is an abundant number, since it is smaller than the sum of its proper divisors (39843372624).

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

20407580592 is a wasteful number, since it uses less digits than its factorization.

20407580592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60736865 (or 60736859 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 20407580592 in words is "twenty billion, four hundred seven million, five hundred eighty thousand, five hundred ninety-two".