20313008 has 10 divisors (see below), whose sum is σ = 39356484. Its totient is φ = 10156496.

The previous prime is 20313001. The next prime is 20313047. The reversal of 20313008 is 80031302.

It is not an unprimeable number, because it can be changed into a prime (20313001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 634766 + ... + 634797.

Almost surely, 2^20313008 is an apocalyptic number.

It is an amenable number.

20313008 is a deficient number, since it is larger than the sum of its proper divisors (19043476).

20313008 is a wasteful number, since it uses less digits than its factorization.

20313008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269571 (or 1269565 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 20313008 is about 4506.9954515176. The cubic root of 20313008 is about 272.8504953210.

The spelling of 20313008 in words is "twenty million, three hundred thirteen thousand, eight".