20464024 has 32 divisors (see below), whose sum is σ = 45367200. Its totient is φ = 8467200.

The previous prime is 20464009. The next prime is 20464027. The reversal of 20464024 is 42046402.

It is a junction number, because it is equal to n+sod(n) for n = 20463986 and 20464004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20464027) 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, 4677 + ... + 7924.

It is an arithmetic number, because the mean of its divisors is an integer number (1417725).

Almost surely, 2^20464024 is an apocalyptic number.

It is an amenable number.

20464024 is an abundant number, since it is smaller than the sum of its proper divisors (24903176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20464024 is a wasteful number, since it uses less digits than its factorization.

20464024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12643 (or 12639 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 20464024 is about 4523.7179399251. The cubic root of 20464024 is about 273.5249908372.

The spelling of 20464024 in words is "twenty million, four hundred sixty-four thousand, twenty-four".