315620542020 has 48 divisors (see below), whose sum is σ = 1009985735808. Its totient is φ = 72141838080.

The previous prime is 315620542001. The next prime is 315620542093. The reversal of 315620542020 is 20245026513.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 375738321 + ... + 375739160.

It is an arithmetic number, because the mean of its divisors is an integer number (21041369496).

Almost surely, 2^315620542020 is an apocalyptic number.

315620542020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315620542020 is an abundant number, since it is smaller than the sum of its proper divisors (694365193788).

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

315620542020 is a wasteful number, since it uses less digits than its factorization.

315620542020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751477500 (or 751477498 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 315620542020 its reverse (20245026513), we get a palindrome (335865568533).

The spelling of 315620542020 in words is "three hundred fifteen billion, six hundred twenty million, five hundred forty-two thousand, twenty".