20131122334402 has 16 divisors (see below), whose sum is σ = 30281446166400. Its totient is φ = 10037308148800.

The previous prime is 20131122334397. The next prime is 20131122334403. The reversal of 20131122334402 is 20443322113102.

It is not an unprimeable number, because it can be changed into a prime (20131122334403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36307674 + ... + 36857962.

It is an arithmetic number, because the mean of its divisors is an integer number (1892590385400).

Almost surely, 2^{20131122334402} is an apocalyptic number.

20131122334402 is a deficient number, since it is larger than the sum of its proper divisors (10150323831998).

20131122334402 is a wasteful number, since it uses less digits than its factorization.

20131122334402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601601.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 20131122334402 its reverse (20443322113102), we get a palindrome (40574444447504).

The spelling of 20131122334402 in words is "twenty trillion, one hundred thirty-one billion, one hundred twenty-two million, three hundred thirty-four thousand, four hundred two".