20239132 has 6 divisors (see below), whose sum is σ = 35418488. Its totient is φ = 10119564.

The previous prime is 20239127. The next prime is 20239151. The reversal of 20239132 is 23193202.

It is a super-2 number, since 2×20239132² = 819244928226848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2529888 + ... + 2529895.

Almost surely, 2^20239132 is an apocalyptic number.

It is an amenable number.

20239132 is a deficient number, since it is larger than the sum of its proper divisors (15179356).

20239132 is a wasteful number, since it uses less digits than its factorization.

20239132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059787 (or 5059785 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 20239132 is about 4498.7922823798. The cubic root of 20239132 is about 272.5193185530.

The spelling of 20239132 in words is "twenty million, two hundred thirty-nine thousand, one hundred thirty-two".