20077304 has 16 divisors (see below), whose sum is σ = 40540920. Its totient is φ = 9266400.

The previous prime is 20077279. The next prime is 20077307. The reversal of 20077304 is 40377002.

It is a self number, because there is not a number n which added to its sum of digits gives 20077304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20077307) 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, 96422 + ... + 96629.

Almost surely, 2^20077304 is an apocalyptic number.

It is an amenable number.

20077304 is an abundant number, since it is smaller than the sum of its proper divisors (20463616).

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

20077304 is a wasteful number, since it uses less digits than its factorization.

20077304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193070 (or 193066 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 20077304 is about 4480.7704694617. The cubic root of 20077304 is about 271.7910376039.

The spelling of 20077304 in words is "twenty million, seventy-seven thousand, three hundred four".