20580425338 has 16 divisors (see below), whose sum is σ = 33853386240. Its totient is φ = 9305759200.

The previous prime is 20580425321. The next prime is 20580425353. The reversal of 20580425338 is 83352408502.

It is a self number, because there is not a number n which added to its sum of digits gives 20580425338.

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, 2444683 + ... + 2453086.

It is an arithmetic number, because the mean of its divisors is an integer number (2115836640).

Almost surely, 2^20580425338 is an apocalyptic number.

20580425338 is a deficient number, since it is larger than the sum of its proper divisors (13272960902).

20580425338 is a wasteful number, since it uses less digits than its factorization.

20580425338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897973.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 20580425338 in words is "twenty billion, five hundred eighty million, four hundred twenty-five thousand, three hundred thirty-eight".