20652232 has 16 divisors (see below), whose sum is σ = 39029760. Its totient is φ = 10244304.

The previous prime is 20652187. The next prime is 20652239. The reversal of 20652232 is 23225602.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20652239) 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, 9148 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (2439360).

Almost surely, 2^20652232 is an apocalyptic number.

It is an amenable number.

20652232 is a deficient number, since it is larger than the sum of its proper divisors (18377528).

20652232 is a wasteful number, since it uses less digits than its factorization.

20652232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20460 (or 20456 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20652232 is about 4544.4726866821. The cubic root of 20652232 is about 274.3609713097.

Adding to 20652232 its reverse (23225602), we get a palindrome (43877834).

The spelling of 20652232 in words is "twenty million, six hundred fifty-two thousand, two hundred thirty-two".