20132330 has 32 divisors (see below), whose sum is σ = 37836288. Its totient is φ = 7704000.

The previous prime is 20132311. The next prime is 20132341. The reversal of 20132330 is 3323102.

It is a super-2 number, since 2×20132330² = 810621422457800, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30989 + ... + 31631.

It is an arithmetic number, because the mean of its divisors is an integer number (1182384).

Almost surely, 2^20132330 is an apocalyptic number.

20132330 is a deficient number, since it is larger than the sum of its proper divisors (17703958).

20132330 is a wasteful number, since it uses less digits than its factorization.

20132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 20132330 is about 4486.9065067148. The cubic root of 20132330 is about 272.0391109417.

Adding to 20132330 its reverse (3323102), we get a palindrome (23455432).

The spelling of 20132330 in words is "twenty million, one hundred thirty-two thousand, three hundred thirty".