20273808 has 40 divisors (see below), whose sum is σ = 52773408. Its totient is φ = 6706432.

The previous prime is 20273791. The next prime is 20273819. The reversal of 20273808 is 80837202.

It is a super-2 number, since 2×20273808² = 822054581641728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5035 + ... + 8117.

Almost surely, 2^20273808 is an apocalyptic number.

It is an amenable number.

20273808 is an abundant number, since it is smaller than the sum of its proper divisors (32499600).

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

20273808 is a wasteful number, since it uses less digits than its factorization.

20273808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3231 (or 3225 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 20273808 is about 4502.6445562580. The cubic root of 20273808 is about 272.6748668599.

The spelling of 20273808 in words is "twenty million, two hundred seventy-three thousand, eight hundred eight".