20074572 has 72 divisors (see below), whose sum is σ = 59588256. Its totient is φ = 5577984.

The previous prime is 20074567. The next prime is 20074589. The reversal of 20074572 is 27547002.

20074572 is a `hidden beast` number, since 20 + 0 + 74 + 572 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8248 + ... + 10400.

Almost surely, 2^20074572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20074572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29794128).

20074572 is an abundant number, since it is smaller than the sum of its proper divisors (39513684).

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

20074572 is a wasteful number, since it uses less digits than its factorization.

20074572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 20074572 is about 4480.4656008053. The cubic root of 20074572 is about 271.7787091426.

The spelling of 20074572 in words is "twenty million, seventy-four thousand, five hundred seventy-two".