210120232320 has 96 divisors (see below), whose sum is σ = 725571447120. Its totient is φ = 56032060416.

The previous prime is 210120232303. The next prime is 210120232351. The reversal of 210120232320 is 23232021012.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 210120232293 and 210120232302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18233844 + ... + 18245363.

Almost surely, 2^210120232320 is an apocalyptic number.

210120232320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210120232320 is an abundant number, since it is smaller than the sum of its proper divisors (515451214800).

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

210120232320 is a wasteful number, since it uses less digits than its factorization.

210120232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36479232 (or 36479217 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 210120232320 its reverse (23232021012), we get a palindrome (233352253332).

The spelling of 210120232320 in words is "two hundred ten billion, one hundred twenty million, two hundred thirty-two thousand, three hundred twenty".