213474031620 has 48 divisors (see below), whose sum is σ = 601182388800. Its totient is φ = 56597351296.

The previous prime is 213474031591. The next prime is 213474031633. The reversal of 213474031620 is 26130474312.

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, 10272570 + ... + 10293329.

It is an arithmetic number, because the mean of its divisors is an integer number (12524633100).

Almost surely, 2^213474031620 is an apocalyptic number.

213474031620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213474031620 is an abundant number, since it is smaller than the sum of its proper divisors (387708357180).

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

213474031620 is a wasteful number, since it uses less digits than its factorization.

213474031620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20566084 (or 20566082 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The spelling of 213474031620 in words is "two hundred thirteen billion, four hundred seventy-four million, thirty-one thousand, six hundred twenty".