213220120432 has 40 divisors (see below), whose sum is σ = 451055094912. Its totient is φ = 96835377600.

The previous prime is 213220120427. The next prime is 213220120501. The reversal of 213220120432 is 234021022312.

213220120432 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 (22).

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 7 ways as a sum of consecutive naturals, for example, 311188 + ... + 723379.

Almost surely, 2^213220120432 is an apocalyptic number.

213220120432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

213220120432 is an abundant number, since it is smaller than the sum of its proper divisors (237834974480).

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

213220120432 is a wasteful number, since it uses less digits than its factorization.

213220120432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035757 (or 1035751 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213220120432 its reverse (234021022312), we get a palindrome (447241142744).

The spelling of 213220120432 in words is "two hundred thirteen billion, two hundred twenty million, one hundred twenty thousand, four hundred thirty-two".