20432252 has 12 divisors (see below), whose sum is σ = 35798616. Its totient is φ = 10204080.

The previous prime is 20432233. The next prime is 20432261. The reversal of 20432252 is 25223402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (2983218).

Almost surely, 2^20432252 is an apocalyptic number.

It is an amenable number.

20432252 is a deficient number, since it is larger than the sum of its proper divisors (15366364).

20432252 is a wasteful number, since it uses less digits than its factorization.

20432252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6028 (or 6026 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20432252 is about 4520.2048626141. The cubic root of 20432252 is about 273.3833611912.

Adding to 20432252 its reverse (25223402), we get a palindrome (45655654).

The spelling of 20432252 in words is "twenty million, four hundred thirty-two thousand, two hundred fifty-two".