20311320232322 has 16 divisors (see below), whose sum is σ = 35942612762112. Its totient is φ = 8424049865760.

The previous prime is 20311320232321. The next prime is 20311320232439. The reversal of 20311320232322 is 22323202311302.

It is a junction number, because it is equal to n+sod(n) for n = 20311320232291 and 20311320232300.

It is not an unprimeable number, because it can be changed into a prime (20311320232321) 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, 23400138083 + ... + 23400138950.

It is an arithmetic number, because the mean of its divisors is an integer number (2246413297632).

Almost surely, 2^{20311320232322} is an apocalyptic number.

20311320232322 is a deficient number, since it is larger than the sum of its proper divisors (15631292529790).

20311320232322 is a wasteful number, since it uses less digits than its factorization.

20311320232322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46800277073.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20311320232322 its reverse (22323202311302), we get a palindrome (42634522543624).

The spelling of 20311320232322 in words is "twenty trillion, three hundred eleven billion, three hundred twenty million, two hundred thirty-two thousand, three hundred twenty-two".