213321264045620 has 24 divisors (see below), whose sum is σ = 447976265604000. Its totient is φ = 85328198740512.

The previous prime is 213321264045599. The next prime is 213321264045647. The reversal of 213321264045620 is 26540462123312.

It is a super-2 number, since 2×213321264045620² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13437830 + ... + 24641789.

It is an arithmetic number, because the mean of its divisors is an integer number (18665677733500).

Almost surely, 2^{213321264045620} is an apocalyptic number.

213321264045620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213321264045620 is an abundant number, since it is smaller than the sum of its proper divisors (234655001558380).

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

213321264045620 is a wasteful number, since it uses less digits than its factorization.

213321264045620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38359727 (or 38359725 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 213321264045620 in words is "two hundred thirteen trillion, three hundred twenty-one billion, two hundred sixty-four million, forty-five thousand, six hundred twenty".