20311211302 has 16 divisors (see below), whose sum is σ = 30775066272. Its totient is φ = 10052899200.

The previous prime is 20311211281. The next prime is 20311211303.

20311211302 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311211303) 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, 1370878 + ... + 1385614.

It is an arithmetic number, because the mean of its divisors is an integer number (1923441642).

Almost surely, 2^20311211302 is an apocalyptic number.

20311211302 is a deficient number, since it is larger than the sum of its proper divisors (10463854970).

20311211302 is a wasteful number, since it uses less digits than its factorization.

20311211302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21663.

The product of its (nonzero) digits is 72, while the sum is 16.

The spelling of 20311211302 in words is "twenty billion, three hundred eleven million, two hundred eleven thousand, three hundred two".