20527472 has 30 divisors (see below), whose sum is σ = 46267128. Its totient is φ = 8797152.

The previous prime is 20527459. The next prime is 20527499. The reversal of 20527472 is 27472502.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12308 + ... + 13875.

Almost surely, 2^20527472 is an apocalyptic number.

It is an amenable number.

20527472 is an abundant number, since it is smaller than the sum of its proper divisors (25739656).

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

20527472 is a wasteful number, since it uses less digits than its factorization.

20527472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26205 (or 26192 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 20527472 is about 4530.7253282449. The cubic root of 20527472 is about 273.8073841184.

Adding to 20527472 its reverse (27472502), we get a palindrome (47999974).

The spelling of 20527472 in words is "twenty million, five hundred twenty-seven thousand, four hundred seventy-two".