20474024 has 24 divisors (see below), whose sum is σ = 39576810. Its totient is φ = 9922464.

The previous prime is 20474023. The next prime is 20474053. The reversal of 20474024 is 42047402.

It can be written as a sum of positive squares in only one way, i.e., 13557124 + 6916900 = 3682^2 + 2630^2 .

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20474021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77717 + ... + 77979.

Almost surely, 2^20474024 is an apocalyptic number.

It is an amenable number.

20474024 is a deficient number, since it is larger than the sum of its proper divisors (19102786).

20474024 is an equidigital number, since it uses as much as digits as its factorization.

20474024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 20474024 is about 4524.8230904644. The cubic root of 20474024 is about 273.5695373788.

The spelling of 20474024 in words is "twenty million, four hundred seventy-four thousand, twenty-four".