20798470759 has 8 divisors (see below), whose sum is σ = 22786622352. Its totient is φ = 18826549440.

The previous prime is 20798470733. The next prime is 20798470793. The reversal of 20798470759 is 95707489702.

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 20798470759 - 2⁹ = 20798470247 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 (20798870759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4054884 + ... + 4060009.

It is an arithmetic number, because the mean of its divisors is an integer number (2848327794).

Almost surely, 2^20798470759 is an apocalyptic number.

20798470759 is a deficient number, since it is larger than the sum of its proper divisors (1988151593).

20798470759 is a wasteful number, since it uses less digits than its factorization.

20798470759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115137.

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 20798470759 in words is "twenty billion, seven hundred ninety-eight million, four hundred seventy thousand, seven hundred fifty-nine".