20339667042304 has 153 divisors (see below), whose sum is σ = 41386050059823. Its totient is φ = 9996074090496.

The previous prime is 20339667042293. The next prime is 20339667042323. The reversal of 20339667042304 is 40324076693302.

The square root of 20339667042304 is 4509952.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 91209269137 + ... + 91209269359.

Almost surely, 2^{20339667042304} is an apocalyptic number.

20339667042304 is the 4509952-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20339667042304

20339667042304 is an abundant number, since it is smaller than the sum of its proper divisors (21046383017519).

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

20339667042304 is an frugal number, since it uses more digits than its factorization.

20339667042304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 49.

Multiplying 20339667042304 by its sum of digits (49), we get a square (996643685072896 = 31569664²).

The spelling of 20339667042304 in words is "twenty trillion, three hundred thirty-nine billion, six hundred sixty-seven million, forty-two thousand, three hundred four".