20676308 has 12 divisors (see below), whose sum is σ = 36244320. Its totient is φ = 10320792.

The previous prime is 20676277. The next prime is 20676329. The reversal of 20676308 is 80367602.

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, 1448 + ... + 6591.

It is an arithmetic number, because the mean of its divisors is an integer number (3020360).

Almost surely, 2^20676308 is an apocalyptic number.

It is an amenable number.

20676308 is a deficient number, since it is larger than the sum of its proper divisors (15568012).

20676308 is a wasteful number, since it uses less digits than its factorization.

20676308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8686 (or 8684 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 20676308 is about 4547.1208473055. The cubic root of 20676308 is about 274.4675449323.

The spelling of 20676308 in words is "twenty million, six hundred seventy-six thousand, three hundred eight".