20149332 has 24 divisors (see below), whose sum is σ = 53731776. Its totient is φ = 5756928.

The previous prime is 20149313. The next prime is 20149343. The reversal of 20149332 is 23394102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119853 + ... + 120020.

It is an arithmetic number, because the mean of its divisors is an integer number (2238824).

Almost surely, 2^20149332 is an apocalyptic number.

It is an amenable number.

20149332 is an abundant number, since it is smaller than the sum of its proper divisors (33582444).

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

20149332 is a wasteful number, since it uses less digits than its factorization.

20149332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239887 (or 239885 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20149332 is about 4488.8007307075. The cubic root of 20149332 is about 272.1156695179.

The spelling of 20149332 in words is "twenty million, one hundred forty-nine thousand, three hundred thirty-two".