213110232020 has 48 divisors (see below), whose sum is σ = 513351971328. Its totient is φ = 72796734720.

The previous prime is 213110231959. The next prime is 213110232061. The reversal of 213110232020 is 20232011312.

213110232020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213110232020.

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 15 ways as a sum of consecutive naturals, for example, 2770577 + ... + 2846456.

It is an arithmetic number, because the mean of its divisors is an integer number (10694832736).

Almost surely, 2^213110232020 is an apocalyptic number.

213110232020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213110232020 is an abundant number, since it is smaller than the sum of its proper divisors (300241739308).

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

213110232020 is a wasteful number, since it uses less digits than its factorization.

213110232020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5617320 (or 5617318 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 213110232020 its reverse (20232011312), we get a palindrome (233342243332).

The spelling of 213110232020 in words is "two hundred thirteen billion, one hundred ten million, two hundred thirty-two thousand, twenty".