20010123131332 has 24 divisors (see below), whose sum is σ = 36908717693400. Its totient is φ = 9477794167296.

The previous prime is 20010123131311. The next prime is 20010123131407. The reversal of 20010123131332 is 23313132101002.

It can be written as a sum of positive squares in 4 ways, for example, as 3365485644676 + 16644637486656 = 1834526^2 + 4079784^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1627362357 + ... + 1627374652.

It is an arithmetic number, because the mean of its divisors is an integer number (1537863237225).

Almost surely, 2^{20010123131332} is an apocalyptic number.

It is an amenable number.

20010123131332 is a deficient number, since it is larger than the sum of its proper divisors (16898594562068).

20010123131332 is a wasteful number, since it uses less digits than its factorization.

20010123131332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3254737095 (or 3254737093 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 20010123131332 its reverse (23313132101002), we get a palindrome (43323255232334).

The spelling of 20010123131332 in words is "twenty trillion, ten billion, one hundred twenty-three million, one hundred thirty-one thousand, three hundred thirty-two".