20044572 has 48 divisors (see below), whose sum is σ = 48432384. Its totient is φ = 6448000.

The previous prime is 20044567. The next prime is 20044589. The reversal of 20044572 is 27544002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64297 + ... + 64607.

It is an arithmetic number, because the mean of its divisors is an integer number (1009008).

Almost surely, 2^20044572 is an apocalyptic number.

It is an amenable number.

20044572 is an abundant number, since it is smaller than the sum of its proper divisors (28387812).

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

20044572 is a wasteful number, since it uses less digits than its factorization.

20044572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 20044572 is about 4477.1164827375. The cubic root of 20044572 is about 271.6432570860.

Adding to 20044572 its reverse (27544002), we get a palindrome (47588574).

The spelling of 20044572 in words is "twenty million, forty-four thousand, five hundred seventy-two".