20302704 has 40 divisors (see below), whose sum is σ = 58277520. Its totient is φ = 6767424.

The previous prime is 20302699. The next prime is 20302729. The reversal of 20302704 is 40720302.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23067 + ... + 23930.

It is an arithmetic number, because the mean of its divisors is an integer number (1456938).

Almost surely, 2^20302704 is an apocalyptic number.

20302704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20302704 is an abundant number, since it is smaller than the sum of its proper divisors (37974816).

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

20302704 is a wasteful number, since it uses less digits than its factorization.

20302704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47014 (or 47002 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 20302704 is about 4505.8521946464. The cubic root of 20302704 is about 272.8043520317.

The spelling of 20302704 in words is "twenty million, three hundred two thousand, seven hundred four".