20100332 has 24 divisors (see below), whose sum is σ = 41183520. Its totient is φ = 8403840.

The previous prime is 20100329. The next prime is 20100337. The reversal of 20100332 is 23300102.

It is not an unprimeable number, because it can be changed into a prime (20100337) 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, 7607 + ... + 9902.

It is an arithmetic number, because the mean of its divisors is an integer number (1715980).

Almost surely, 2^20100332 is an apocalyptic number.

It is an amenable number.

20100332 is an abundant number, since it is smaller than the sum of its proper divisors (21083188).

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

20100332 is a wasteful number, since it uses less digits than its factorization.

20100332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17561 (or 17559 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 20100332 is about 4483.3393804172. The cubic root of 20100332 is about 271.8949096619.

Adding to 20100332 its reverse (23300102), we get a palindrome (43400434).

The spelling of 20100332 in words is "twenty million, one hundred thousand, three hundred thirty-two".