213112030020 has 24 divisors (see below), whose sum is σ = 596713684224. Its totient is φ = 56829874656.

The previous prime is 213112029983. The next prime is 213112030067. The reversal of 213112030020 is 20030211312.

213112030020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1775933524 + ... + 1775933643.

It is an arithmetic number, because the mean of its divisors is an integer number (24863070176).

Almost surely, 2^213112030020 is an apocalyptic number.

213112030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213112030020 is an abundant number, since it is smaller than the sum of its proper divisors (383601654204).

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

213112030020 is a wasteful number, since it uses less digits than its factorization.

213112030020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551867179 (or 3551867177 counting only the distinct ones).

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

Adding to 213112030020 its reverse (20030211312), we get a palindrome (233142241332).

The spelling of 213112030020 in words is "two hundred thirteen billion, one hundred twelve million, thirty thousand, twenty".