20296572 has 48 divisors (see below), whose sum is σ = 51518880. Its totient is φ = 6193152.

The previous prime is 20296567. The next prime is 20296583. The reversal of 20296572 is 27569202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6204 + ... + 8892.

It is an arithmetic number, because the mean of its divisors is an integer number (1073310).

Almost surely, 2^20296572 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 20296572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25759440).

20296572 is an abundant number, since it is smaller than the sum of its proper divisors (31222308).

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

20296572 is a wasteful number, since it uses less digits than its factorization.

20296572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2748 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 20296572 is about 4505.1716948414. The cubic root of 20296572 is about 272.7768843484.

The spelling of 20296572 in words is "twenty million, two hundred ninety-six thousand, five hundred seventy-two".