20799256801 has 8 divisors (see below), whose sum is σ = 20939731904. Its totient is φ = 20659062960.

The previous prime is 20799256787. The next prime is 20799256811. The reversal of 20799256801 is 10865299702.

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

It is a cyclic number.

It is not a de Polignac number, because 20799256801 - 2⁵ = 20799256769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20799256811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79150 + ... + 218776.

It is an arithmetic number, because the mean of its divisors is an integer number (2617466488).

Almost surely, 2^20799256801 is an apocalyptic number.

It is an amenable number.

20799256801 is a deficient number, since it is larger than the sum of its proper divisors (140475103).

20799256801 is a wasteful number, since it uses less digits than its factorization.

20799256801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140631.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 20799256801 in words is "twenty billion, seven hundred ninety-nine million, two hundred fifty-six thousand, eight hundred one".