20443832 has 16 divisors (see below), whose sum is σ = 39368760. Its totient is φ = 9945504.

The previous prime is 20443831. The next prime is 20443837. The reversal of 20443832 is 23834402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20443831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34238 + ... + 34829.

Almost surely, 2^20443832 is an apocalyptic number.

It is an amenable number.

20443832 is a deficient number, since it is larger than the sum of its proper divisors (18924928).

20443832 is a wasteful number, since it uses less digits than its factorization.

20443832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69110 (or 69106 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20443832 is about 4521.4855965711. The cubic root of 20443832 is about 273.4349982051.

The spelling of 20443832 in words is "twenty million, four hundred forty-three thousand, eight hundred thirty-two".