20873594 has 16 divisors (see below), whose sum is σ = 36047808. Its totient is φ = 8879712.

The previous prime is 20873563. The next prime is 20873599. The reversal of 20873594 is 49537802.

It is not an unprimeable number, because it can be changed into a prime (20873599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3524 + ... + 7359.

It is an arithmetic number, because the mean of its divisors is an integer number (2252988).

Almost surely, 2^20873594 is an apocalyptic number.

20873594 is a deficient number, since it is larger than the sum of its proper divisors (15174214).

20873594 is a wasteful number, since it uses less digits than its factorization.

20873594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11029.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 20873594 is about 4568.7628522391. The cubic root of 20873594 is about 275.3377404072.

The spelling of 20873594 in words is "twenty million, eight hundred seventy-three thousand, five hundred ninety-four".