20332120 has 32 divisors (see below), whose sum is σ = 46815120. Its totient is φ = 7943040.

The previous prime is 20332099. The next prime is 20332133. The reversal of 20332120 is 2123302.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20332120.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 4191 + ... + 7630.

Almost surely, 2^20332120 is an apocalyptic number.

20332120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20332120 is an abundant number, since it is smaller than the sum of its proper divisors (26483000).

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

20332120 is a wasteful number, since it uses less digits than its factorization.

20332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11875 (or 11871 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 20332120 is about 4509.1152125445. The cubic root of 20332120 is about 272.9360412276.

Adding to 20332120 its reverse (2123302), we get a palindrome (22455422).

It can be divided in two parts, 203 and 32120, that added together give a palindrome (32323).

The spelling of 20332120 in words is "twenty million, three hundred thirty-two thousand, one hundred twenty".