20268684804 has 96 divisors (see below), whose sum is σ = 49147862400. Its totient is φ = 6496174080.

The previous prime is 20268684773. The next prime is 20268684817. The reversal of 20268684804 is 40848686202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14384452 + ... + 14385860.

It is an arithmetic number, because the mean of its divisors is an integer number (511956900).

Almost surely, 2^20268684804 is an apocalyptic number.

It is an amenable number.

20268684804 is an abundant number, since it is smaller than the sum of its proper divisors (28879177596).

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

20268684804 is a wasteful number, since it uses less digits than its factorization.

20268684804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1813 (or 1811 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 20268684804 in words is "twenty billion, two hundred sixty-eight million, six hundred eighty-four thousand, eight hundred four".