20888874 has 32 divisors (see below), whose sum is σ = 48024000. Its totient is φ = 6722352.

The previous prime is 20888873. The next prime is 20888897. The reversal of 20888874 is 47888802.

It is not an unprimeable number, because it can be changed into a prime (20888873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5104 + ... + 8235.

It is an arithmetic number, because the mean of its divisors is an integer number (1500750).

Almost surely, 2^20888874 is an apocalyptic number.

20888874 is an abundant number, since it is smaller than the sum of its proper divisors (27135126).

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

20888874 is a wasteful number, since it uses less digits than its factorization.

20888874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13379 (or 13373 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 45.

The square root of 20888874 is about 4570.4347714413. The cubic root of 20888874 is about 275.4049087557.

The spelling of 20888874 in words is "twenty million, eight hundred eighty-eight thousand, eight hundred seventy-four".