20331105622532 has 12 divisors (see below), whose sum is σ = 35598390331980. Its totient is φ = 10160136956256.

The previous prime is 20331105622493. The next prime is 20331105622579. The reversal of 20331105622532 is 23522650113302.

It can be written as a sum of positive squares in 2 ways, for example, as 6141901497796 + 14189204124736 = 2478286^2 + 3766856^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20331105622492 and 20331105622501.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1353955307 + ... + 1353970322.

It is an arithmetic number, because the mean of its divisors is an integer number (2966532527665).

Almost surely, 2^{20331105622532} is an apocalyptic number.

It is an amenable number.

20331105622532 is a deficient number, since it is larger than the sum of its proper divisors (15267284709448).

20331105622532 is a wasteful number, since it uses less digits than its factorization.

20331105622532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707927510 (or 2707927508 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 20331105622532 its reverse (23522650113302), we get a palindrome (43853755735834).

The spelling of 20331105622532 in words is "twenty trillion, three hundred thirty-one billion, one hundred five million, six hundred twenty-two thousand, five hundred thirty-two".