210213332 has 18 divisors (see below), whose sum is σ = 427934682. Its totient is φ = 90091344.

The previous prime is 210213329. The next prime is 210213337. The reversal of 210213332 is 233312012.

210213332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 181010116 + 29203216 = 13454^2 + 5404^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 210213332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210213337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 536063 + ... + 536454.

It is an arithmetic number, because the mean of its divisors is an integer number (23774149).

Almost surely, 2^210213332 is an apocalyptic number.

It is an amenable number.

210213332 is an abundant number, since it is smaller than the sum of its proper divisors (217721350).

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

210213332 is a wasteful number, since it uses less digits than its factorization.

210213332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072535 (or 1072526 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 210213332 is about 14498.7355310730. The cubic root of 210213332 is about 594.5934015648.

Adding to 210213332 its reverse (233312012), we get a palindrome (443525344).

The spelling of 210213332 in words is "two hundred ten million, two hundred thirteen thousand, three hundred thirty-two".