20670908 has 12 divisors (see below), whose sum is σ = 36275232. Its totient is φ = 10306560.

The previous prime is 20670889. The next prime is 20670911. The reversal of 20670908 is 80907602.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5573 + ... + 8508.

It is an arithmetic number, because the mean of its divisors is an integer number (3022936).

Almost surely, 2^20670908 is an apocalyptic number.

It is an amenable number.

20670908 is a deficient number, since it is larger than the sum of its proper divisors (15604324).

20670908 is a wasteful number, since it uses less digits than its factorization.

20670908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14452 (or 14450 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 20670908 is about 4546.5270262036. The cubic root of 20670908 is about 274.4436487611.

The spelling of 20670908 in words is "twenty million, six hundred seventy thousand, nine hundred eight".