20272887 has 12 divisors (see below), whose sum is σ = 29325504. Its totient is φ = 13495680.

The previous prime is 20272859. The next prime is 20272897. The reversal of 20272887 is 78827202.

It is not a de Polignac number, because 20272887 - 2¹⁰ = 20271863 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20272897) 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, 7783 + ... + 10055.

It is an arithmetic number, because the mean of its divisors is an integer number (2443792).

Almost surely, 2^20272887 is an apocalyptic number.

20272887 is a deficient number, since it is larger than the sum of its proper divisors (9052617).

20272887 is a wasteful number, since it uses less digits than its factorization.

20272887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270 (or 3267 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 20272887 is about 4502.5422818670. The cubic root of 20272887 is about 272.6707377663.

The spelling of 20272887 in words is "twenty million, two hundred seventy-two thousand, eight hundred eighty-seven".