20104555315 has 16 divisors (see below), whose sum is σ = 25984820736. Its totient is φ = 14844412800.

The previous prime is 20104555307. The next prime is 20104555327. The reversal of 20104555315 is 51355540102.

It is not a de Polignac number, because 20104555315 - 2³ = 20104555307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595950 + ... + 628780.

It is an arithmetic number, because the mean of its divisors is an integer number (1624051296).

Almost surely, 2^20104555315 is an apocalyptic number.

20104555315 is a deficient number, since it is larger than the sum of its proper divisors (5880265421).

20104555315 is a wasteful number, since it uses less digits than its factorization.

20104555315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42270.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 20104555315 in words is "twenty billion, one hundred four million, five hundred fifty-five thousand, three hundred fifteen".