20300964 has 12 divisors (see below), whose sum is σ = 47368944. Its totient is φ = 6766984.

The previous prime is 20300963. The next prime is 20300971. The reversal of 20300964 is 46900302.

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 (20300963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845862 + ... + 845885.

It is an arithmetic number, because the mean of its divisors is an integer number (3947412).

Almost surely, 2^20300964 is an apocalyptic number.

It is an amenable number.

20300964 is an abundant number, since it is smaller than the sum of its proper divisors (27067980).

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

20300964 is a wasteful number, since it uses less digits than its factorization.

20300964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691754 (or 1691752 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20300964 is about 4505.6591082771. The cubic root of 20300964 is about 272.7965584370.

The spelling of 20300964 in words is "twenty million, three hundred thousand, nine hundred sixty-four".