20885348 has 12 divisors (see below), whose sum is σ = 39872112. Its totient is φ = 9493320.

The previous prime is 20885341. The next prime is 20885383. The reversal of 20885348 is 84358802.

It is a super-2 number, since 2×20885348² = 872395522162208, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20885341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237290 + ... + 237377.

It is an arithmetic number, because the mean of its divisors is an integer number (3322676).

Almost surely, 2^20885348 is an apocalyptic number.

It is an amenable number.

20885348 is a deficient number, since it is larger than the sum of its proper divisors (18986764).

20885348 is a wasteful number, since it uses less digits than its factorization.

20885348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474682 (or 474680 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 20885348 is about 4570.0490150544. The cubic root of 20885348 is about 275.3894119518.

The spelling of 20885348 in words is "twenty million, eight hundred eighty-five thousand, three hundred forty-eight".