20272496 has 20 divisors (see below), whose sum is σ = 39923784. Its totient is φ = 9969600.

The previous prime is 20272489. The next prime is 20272529. The reversal of 20272496 is 69427202.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9410 + ... + 11361.

Almost surely, 2^20272496 is an apocalyptic number.

It is an amenable number.

20272496 is a deficient number, since it is larger than the sum of its proper divisors (19651288).

20272496 is a wasteful number, since it uses less digits than its factorization.

20272496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20840 (or 20834 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 20272496 is about 4502.4988617433. The cubic root of 20272496 is about 272.6689847690.

Adding to 20272496 its sum of digits (32), we get a triangular number (20272528 = T₆₃₆₇).

Adding to 20272496 its reverse (69427202), we get a palindrome (89699698).

The spelling of 20272496 in words is "twenty million, two hundred seventy-two thousand, four hundred ninety-six".