213020232 has 32 divisors (see below), whose sum is σ = 532910880. Its totient is φ = 70958720.

The previous prime is 213020231. The next prime is 213020233. The reversal of 213020232 is 232020312.

It is an interprime number because it is at equal distance from previous prime (213020231) and next prime (213020233).

It is not an unprimeable number, because it can be changed into a prime (213020231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61507 + ... + 64877.

It is an arithmetic number, because the mean of its divisors is an integer number (16653465).

Almost surely, 2^213020232 is an apocalyptic number.

It is an amenable number.

213020232 is an abundant number, since it is smaller than the sum of its proper divisors (319890648).

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

213020232 is a wasteful number, since it uses less digits than its factorization.

213020232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013 (or 6009 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 213020232 is about 14595.2126397665. The cubic root of 213020232 is about 597.2281702068.

Adding to 213020232 its reverse (232020312), we get a palindrome (445040544).

The spelling of 213020232 in words is "two hundred thirteen million, twenty thousand, two hundred thirty-two".