20302068 has 12 divisors (see below), whose sum is σ = 47371520. Its totient is φ = 6767352.

The previous prime is 20302067. The next prime is 20302091. The reversal of 20302068 is 86020302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845908 + ... + 845931.

Almost surely, 2^20302068 is an apocalyptic number.

It is an amenable number.

20302068 is an abundant number, since it is smaller than the sum of its proper divisors (27069452).

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

20302068 is a wasteful number, since it uses less digits than its factorization.

20302068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691846 (or 1691844 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20302068 is about 4505.7816192088. The cubic root of 20302068 is about 272.8015033901.

The spelling of 20302068 in words is "twenty million, three hundred two thousand, sixty-eight".