20539711299 has 8 divisors (see below), whose sum is σ = 27388342800. Its totient is φ = 13692110336.

The previous prime is 20539711277. The next prime is 20539711301. The reversal of 20539711299 is 99211793502.

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 20539711299 - 2⁵ = 20539711267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20539711249) 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, 209862 + ... + 291755.

It is an arithmetic number, because the mean of its divisors is an integer number (3423542850).

Almost surely, 2^20539711299 is an apocalyptic number.

20539711299 is a deficient number, since it is larger than the sum of its proper divisors (6848631501).

20539711299 is a wasteful number, since it uses less digits than its factorization.

20539711299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515269.

The product of its (nonzero) digits is 306180, while the sum is 48.

The spelling of 20539711299 in words is "twenty billion, five hundred thirty-nine million, seven hundred eleven thousand, two hundred ninety-nine".