20084572 has 6 divisors (see below), whose sum is σ = 35148008. Its totient is φ = 10042284.

The previous prime is 20084567. The next prime is 20084573. The reversal of 20084572 is 27548002.

It is a self number, because there is not a number n which added to its sum of digits gives 20084572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20084573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510568 + ... + 2510575.

Almost surely, 2^20084572 is an apocalyptic number.

It is an amenable number.

20084572 is a deficient number, since it is larger than the sum of its proper divisors (15063436).

20084572 is a wasteful number, since it uses less digits than its factorization.

20084572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021147 (or 5021145 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 20084572 is about 4481.5814173124. The cubic root of 20084572 is about 271.8238298378.

The spelling of 20084572 in words is "twenty million, eighty-four thousand, five hundred seventy-two".