20673088 has 28 divisors (see below), whose sum is σ = 43438572. Its totient is φ = 9728000.

The previous prime is 20673077. The next prime is 20673101. The reversal of 20673088 is 88037602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9437184 + 11235904 = 3072^2 + 3352^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

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 3 ways as a sum of consecutive naturals, for example, 8413 + ... + 10588.

Almost surely, 2^20673088 is an apocalyptic number.

It is an amenable number.

20673088 is an abundant number, since it is smaller than the sum of its proper divisors (22765484).

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

20673088 is a wasteful number, since it uses less digits than its factorization.

20673088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19030 (or 19020 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 20673088 is about 4546.7667633165. The cubic root of 20673088 is about 274.4532962348.

The spelling of 20673088 in words is "twenty million, six hundred seventy-three thousand, eighty-eight".