20444712 has 16 divisors (see below), whose sum is σ = 51111840. Its totient is φ = 6814896.

The previous prime is 20444707. The next prime is 20444713. The reversal of 20444712 is 21744402.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 851863 = 20444712 / (2 + 0 + 4 + 4 + 4 + 7 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (20444713) 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, 425908 + ... + 425955.

It is an arithmetic number, because the mean of its divisors is an integer number (3194490).

Almost surely, 2^20444712 is an apocalyptic number.

It is an amenable number.

20444712 is an abundant number, since it is smaller than the sum of its proper divisors (30667128).

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

20444712 is a wasteful number, since it uses less digits than its factorization.

20444712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851872 (or 851868 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 20444712 is about 4521.5829086726. The cubic root of 20444712 is about 273.4389214642.

The spelling of 20444712 in words is "twenty million, four hundred forty-four thousand, seven hundred twelve".