20336268 has 12 divisors (see below), whose sum is σ = 47451320. Its totient is φ = 6778752.

The previous prime is 20336257. The next prime is 20336269. The reversal of 20336268 is 86263302.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (20336269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 847333 + ... + 847356.

Almost surely, 2^20336268 is an apocalyptic number.

It is an amenable number.

20336268 is an abundant number, since it is smaller than the sum of its proper divisors (27115052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20336268 is a wasteful number, since it uses less digits than its factorization.

20336268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694696 (or 1694694 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 20336268 is about 4509.5751462860. The cubic root of 20336268 is about 272.9546007239.

The spelling of 20336268 in words is "twenty million, three hundred thirty-six thousand, two hundred sixty-eight".