20000572 has 24 divisors (see below), whose sum is σ = 36501584. Its totient is φ = 9580032.

The previous prime is 20000569. The next prime is 20000573. The reversal of 20000572 is 27500002.

It is a happy number.

20000572 is a modest number, since divided by 572 gives 20 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000573) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8908 + ... + 10924.

Almost surely, 2^20000572 is an apocalyptic number.

It is an amenable number.

20000572 is a deficient number, since it is larger than the sum of its proper divisors (16501012).

20000572 is a wasteful number, since it uses less digits than its factorization.

20000572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 20000572 is about 4472.1999060865. The cubic root of 20000572 is about 271.4443493796. Note that the first 3 decimals are identical.

Adding to 20000572 its reverse (27500002), we get a palindrome (47500574).

The spelling of 20000572 in words is "twenty million, five hundred seventy-two", and thus it is an aban number.