20576472 has 48 divisors (see below), whose sum is σ = 59843160. Its totient is φ = 5878656.

The previous prime is 20576471. The next prime is 20576473. The reversal of 20576472 is 27467502.

It is an interprime number because it is at equal distance from previous prime (20576471) and next prime (20576473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20576471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7573 + ... + 9924.

Almost surely, 2^20576472 is an apocalyptic number.

It is an amenable number.

20576472 is an abundant number, since it is smaller than the sum of its proper divisors (39266688).

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

20576472 is a wasteful number, since it uses less digits than its factorization.

20576472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17520 (or 17509 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 33.

The square root of 20576472 is about 4536.1296277774. The cubic root of 20576472 is about 274.0250745163.

The spelling of 20576472 in words is "twenty million, five hundred seventy-six thousand, four hundred seventy-two".