20799048697 has 16 divisors (see below), whose sum is σ = 24352796160. Its totient is φ = 17393312448.

The previous prime is 20799048679. The next prime is 20799048707. The reversal of 20799048697 is 79684099702.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20799048697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20799048197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4579 + ... + 204007.

It is an arithmetic number, because the mean of its divisors is an integer number (1522049760).

Almost surely, 2^20799048697 is an apocalyptic number.

It is an amenable number.

20799048697 is a deficient number, since it is larger than the sum of its proper divisors (3553747463).

20799048697 is a wasteful number, since it uses less digits than its factorization.

20799048697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199800.

The product of its (nonzero) digits is 13716864, while the sum is 61.

The spelling of 20799048697 in words is "twenty billion, seven hundred ninety-nine million, forty-eight thousand, six hundred ninety-seven".