220338387315 has 24 divisors (see below), whose sum is σ = 381933221280. Its totient is φ = 117509698944.

The previous prime is 220338387307. The next prime is 220338387343. The reversal of 220338387315 is 513783833022.

220338387315 is a `hidden beast` number, since 2 + 203 + 38 + 387 + 31 + 5 = 666.

It is not a de Polignac number, because 220338387315 - 2³ = 220338387307 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1566666 + ... + 1701504.

It is an arithmetic number, because the mean of its divisors is an integer number (15913884220).

Almost surely, 2^220338387315 is an apocalyptic number.

220338387315 is a deficient number, since it is larger than the sum of its proper divisors (161594833965).

220338387315 is a wasteful number, since it uses less digits than its factorization.

220338387315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171163 (or 171160 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 220338387315 in words is "two hundred twenty billion, three hundred thirty-eight million, three hundred eighty-seven thousand, three hundred fifteen".