20580560934 has 12 divisors (see below), whose sum is σ = 41161824684. Its totient is φ = 6860069844.

The previous prime is 20580560929. The next prime is 20580560951. The reversal of 20580560934 is 43906508502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322119 + ... + 380685.

It is an arithmetic number, because the mean of its divisors is an integer number (3430152057).

Almost surely, 2^20580560934 is an apocalyptic number.

20580560934 is an abundant number, since it is smaller than the sum of its proper divisors (20581263750).

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

20580560934 is an frugal number, since it uses more digits than its factorization.

20580560934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117139 (or 58572 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 20580560934 in words is "twenty billion, five hundred eighty million, five hundred sixty thousand, nine hundred thirty-four".