20208934 has 16 divisors (see below), whose sum is σ = 31042656. Its totient is φ = 9864000.

The previous prime is 20208907. The next prime is 20208959. The reversal of 20208934 is 43980202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17874 + ... + 18970.

It is an arithmetic number, because the mean of its divisors is an integer number (1940166).

Almost surely, 2^20208934 is an apocalyptic number.

20208934 is a deficient number, since it is larger than the sum of its proper divisors (10833722).

20208934 is a wasteful number, since it uses less digits than its factorization.

20208934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 20208934 is about 4495.4347954341. The cubic root of 20208934 is about 272.3837126919.

The spelling of 20208934 in words is "twenty million, two hundred eight thousand, nine hundred thirty-four".