213472366620 has 24 divisors (see below), whose sum is σ = 597722626704. Its totient is φ = 56925964416.

The previous prime is 213472366579. The next prime is 213472366643. The reversal of 213472366620 is 26663274312.

213472366620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1778936329 + ... + 1778936448.

It is an arithmetic number, because the mean of its divisors is an integer number (24905109446).

Almost surely, 2^213472366620 is an apocalyptic number.

213472366620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213472366620 is an abundant number, since it is smaller than the sum of its proper divisors (384250260084).

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

213472366620 is a wasteful number, since it uses less digits than its factorization.

213472366620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557872789 (or 3557872787 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 42.

The spelling of 213472366620 in words is "two hundred thirteen billion, four hundred seventy-two million, three hundred sixty-six thousand, six hundred twenty".