20790739199 has 8 divisors (see below), whose sum is σ = 21006011520. Its totient is φ = 20576568600.

The previous prime is 20790739187. The next prime is 20790739201. The reversal of 20790739199 is 99193709702.

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 20790739199 - 2⁴ = 20790739183 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 (20790739399) 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, 237467 + ... + 313004.

It is an arithmetic number, because the mean of its divisors is an integer number (2625751440).

Almost surely, 2^20790739199 is an apocalyptic number.

20790739199 is a deficient number, since it is larger than the sum of its proper divisors (215272321).

20790739199 is a wasteful number, since it uses less digits than its factorization.

20790739199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550861.

The product of its (nonzero) digits is 1928934, while the sum is 56.

The spelling of 20790739199 in words is "twenty billion, seven hundred ninety million, seven hundred thirty-nine thousand, one hundred ninety-nine".