20799168242 has 8 divisors (see below), whose sum is σ = 32274571500. Its totient is φ = 10040977744.

The previous prime is 20799168233. The next prime is 20799168251. The reversal of 20799168242 is 24286199702.

It is an interprime number because it is at equal distance from previous prime (20799168233) and next prime (20799168251).

It can be written as a sum of positive squares in 2 ways, for example, as 18433221361 + 2365946881 = 135769^2 + 48641^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179303117 + ... + 179303232.

Almost surely, 2^20799168242 is an apocalyptic number.

20799168242 is a deficient number, since it is larger than the sum of its proper divisors (11475403258).

20799168242 is a wasteful number, since it uses less digits than its factorization.

20799168242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358606380.

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 20799168242 in words is "twenty billion, seven hundred ninety-nine million, one hundred sixty-eight thousand, two hundred forty-two".