20112131023322 has 16 divisors (see below), whose sum is σ = 32488900964520. Its totient is φ = 9282500888832.

The previous prime is 20112131023301. The next prime is 20112131023331. The reversal of 20112131023322 is 22332013121102.

It can be written as a sum of positive squares in 4 ways, for example, as 10180815366121 + 9931315657201 = 3190739^2 + 3151399^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21604454 + ... + 22516142.

Almost surely, 2^{20112131023322} is an apocalyptic number.

20112131023322 is a deficient number, since it is larger than the sum of its proper divisors (12376769941198).

20112131023322 is a wasteful number, since it uses less digits than its factorization.

20112131023322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760177.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20112131023322 its reverse (22332013121102), we get a palindrome (42444144144424).

The spelling of 20112131023322 in words is "twenty trillion, one hundred twelve billion, one hundred thirty-one million, twenty-three thousand, three hundred twenty-two".