315200220 has 48 divisors (see below), whose sum is σ = 886038048. Its totient is φ = 83722240.

The previous prime is 315200209. The next prime is 315200231. The reversal of 315200220 is 22002513.

It is an interprime number because it is at equal distance from previous prime (315200209) and next prime (315200231).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 315200220.

It is a congruent 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, 5200 + ... + 25640.

It is an arithmetic number, because the mean of its divisors is an integer number (18459126).

Almost surely, 2^315200220 is an apocalyptic number.

315200220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315200220 is an abundant number, since it is smaller than the sum of its proper divisors (570837828).

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

315200220 is a wasteful number, since it uses less digits than its factorization.

315200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20710 (or 20708 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 315200220 is about 17753.8790127679. The cubic root of 315200220 is about 680.5533414141.

Adding to 315200220 its reverse (22002513), we get a palindrome (337202733).

The spelling of 315200220 in words is "three hundred fifteen million, two hundred thousand, two hundred twenty".