20576372 has 6 divisors (see below), whose sum is σ = 36008658. Its totient is φ = 10288184.

The previous prime is 20576363. The next prime is 20576377. The reversal of 20576372 is 27367502.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18284176 + 2292196 = 4276^2 + 1514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20576377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572043 + ... + 2572050.

It is an arithmetic number, because the mean of its divisors is an integer number (6001443).

Almost surely, 2^20576372 is an apocalyptic number.

It is an amenable number.

20576372 is a deficient number, since it is larger than the sum of its proper divisors (15432286).

20576372 is a wasteful number, since it uses less digits than its factorization.

20576372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144097 (or 5144095 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 20576372 is about 4536.1186051513. The cubic root of 20576372 is about 274.0246306023.

The spelling of 20576372 in words is "twenty million, five hundred seventy-six thousand, three hundred seventy-two".