20827628 has 12 divisors (see below), whose sum is σ = 36634752. Its totient is φ = 10360560.

The previous prime is 20827613. The next prime is 20827663. The reversal of 20827628 is 82672802.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 12428 + ... + 14003.

It is an arithmetic number, because the mean of its divisors is an integer number (3052896).

Almost surely, 2^20827628 is an apocalyptic number.

It is an amenable number.

20827628 is a deficient number, since it is larger than the sum of its proper divisors (15807124).

20827628 is a wasteful number, since it uses less digits than its factorization.

20827628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26632 (or 26630 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 20827628 is about 4563.7296151284. The cubic root of 20827628 is about 275.1354836538.

The spelling of 20827628 in words is "twenty million, eight hundred twenty-seven thousand, six hundred twenty-eight".