210132330 has 32 divisors (see below), whose sum is σ = 504719424. Its totient is φ = 55990656.

The previous prime is 210132323. The next prime is 210132331. The reversal of 210132330 is 33231012.

210132330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×210132330² = 88311192222457800, which contains 22 as substring.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210132331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55374 + ... + 59046.

It is an arithmetic number, because the mean of its divisors is an integer number (15772482).

Almost surely, 2^210132330 is an apocalyptic number.

210132330 is an abundant number, since it is smaller than the sum of its proper divisors (294587094).

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

210132330 is a wasteful number, since it uses less digits than its factorization.

210132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5590.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 210132330 is about 14495.9418459098. The cubic root of 210132330 is about 594.5170197263.

Adding to 210132330 its reverse (33231012), we get a palindrome (243363342).

The spelling of 210132330 in words is "two hundred ten million, one hundred thirty-two thousand, three hundred thirty".