20533117451332 has 12 divisors (see below), whose sum is σ = 35947933862400. Its totient is φ = 10262279204936.

The previous prime is 20533117451323. The next prime is 20533117451417. The reversal of 20533117451332 is 23315471133502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069869388 + ... + 1069888579.

It is an arithmetic number, because the mean of its divisors is an integer number (2995661155200).

Almost surely, 2^{20533117451332} is an apocalyptic number.

It is an amenable number.

20533117451332 is a deficient number, since it is larger than the sum of its proper divisors (15414816411068).

20533117451332 is a wasteful number, since it uses less digits than its factorization.

20533117451332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139760370 (or 2139760368 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 40.

Adding to 20533117451332 its reverse (23315471133502), we get a palindrome (43848588584834).

The spelling of 20533117451332 in words is "twenty trillion, five hundred thirty-three billion, one hundred seventeen million, four hundred fifty-one thousand, three hundred thirty-two".