20232644 has 24 divisors (see below), whose sum is σ = 37981440. Its totient is φ = 9401184.

The previous prime is 20232629. The next prime is 20232647. The reversal of 20232644 is 44623202.

It is not an unprimeable number, because it can be changed into a prime (20232647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1517 + ... + 6539.

It is an arithmetic number, because the mean of its divisors is an integer number (1582560).

Almost surely, 2^20232644 is an apocalyptic number.

It is an amenable number.

20232644 is a deficient number, since it is larger than the sum of its proper divisors (17748796).

20232644 is a wasteful number, since it uses less digits than its factorization.

20232644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5099 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 20232644 is about 4498.0711421675. The cubic root of 20232644 is about 272.4901951975.

Adding to 20232644 its reverse (44623202), we get a palindrome (64855846).

The spelling of 20232644 in words is "twenty million, two hundred thirty-two thousand, six hundred forty-four".