20832710311 has 4 divisors (see below), whose sum is σ = 23808811792. Its totient is φ = 17856608832.

The previous prime is 20832710291. The next prime is 20832710317. The reversal of 20832710311 is 11301723802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11301723802 = 2 ⋅5650861901.

It is a cyclic number.

It is not a de Polignac number, because 20832710311 - 2⁷ = 20832710183 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20832710311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20832710317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1488050730 + ... + 1488050743.

It is an arithmetic number, because the mean of its divisors is an integer number (5952202948).

Almost surely, 2^20832710311 is an apocalyptic number.

20832710311 is a deficient number, since it is larger than the sum of its proper divisors (2976101481).

20832710311 is an equidigital number, since it uses as much as digits as its factorization.

20832710311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976101480.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 20832710311 in words is "twenty billion, eight hundred thirty-two million, seven hundred ten thousand, three hundred eleven".