213020011320 has 32 divisors (see below), whose sum is σ = 639060034320. Its totient is φ = 56805336320.

The previous prime is 213020011319. The next prime is 213020011343. The reversal of 213020011320 is 23110020312.

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 213020011320.

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, 887583261 + ... + 887583500.

Almost surely, 2^213020011320 is an apocalyptic number.

213020011320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213020011320 is an abundant number, since it is smaller than the sum of its proper divisors (426040023000).

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

213020011320 is a wasteful number, since it uses less digits than its factorization.

213020011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775166775 (or 1775166771 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 213020011320 its reverse (23110020312), we get a palindrome (236130031632).

The spelling of 213020011320 in words is "two hundred thirteen billion, twenty million, eleven thousand, three hundred twenty".