20412232 has 16 divisors (see below), whose sum is σ = 40287600. Its totient is φ = 9668880.

The previous prime is 20412221. The next prime is 20412233. The reversal of 20412232 is 23221402.

It is not an unprimeable number, because it can be changed into a prime (20412233) 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, 66994 + ... + 67297.

It is an arithmetic number, because the mean of its divisors is an integer number (2517975).

Almost surely, 2^20412232 is an apocalyptic number.

It is an amenable number.

20412232 is a deficient number, since it is larger than the sum of its proper divisors (19875368).

20412232 is a wasteful number, since it uses less digits than its factorization.

20412232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134316 (or 134312 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 20412232 is about 4517.9898184923. The cubic root of 20412232 is about 273.2940428685.

Adding to 20412232 its reverse (23221402), we get a palindrome (43633634).

The spelling of 20412232 in words is "twenty million, four hundred twelve thousand, two hundred thirty-two".