20798886239 has 8 divisors (see below), whose sum is σ = 21298824000. Its totient is φ = 20304865152.

The previous prime is 20798886211. The next prime is 20798886259. The reversal of 20798886239 is 93268889702.

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 20798886239 - 2¹⁶ = 20798820703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20798886259) 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, 1472054 + ... + 1486115.

It is an arithmetic number, because the mean of its divisors is an integer number (2662353000).

Almost surely, 2^20798886239 is an apocalyptic number.

20798886239 is a deficient number, since it is larger than the sum of its proper divisors (499937761).

20798886239 is an equidigital number, since it uses as much as digits as its factorization.

20798886239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958337.

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 20798886239 in words is "twenty billion, seven hundred ninety-eight million, eight hundred eighty-six thousand, two hundred thirty-nine".