13033432131220 has 48 divisors (see below), whose sum is σ = 28336678650000. Its totient is φ = 5029570990080.

The previous prime is 13033432131199. The next prime is 13033432131257. The reversal of 13033432131220 is 2213123433031.

It can be written as a sum of positive squares in 8 ways, for example, as 347668253956 + 12685763877264 = 589634^2 + 3561708^2 .

It is a super-2 number, since 2×13033432131220² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 8271351 + ... + 9720190.

It is an arithmetic number, because the mean of its divisors is an integer number (590347471875).

Almost surely, 2^{13033432131220} is an apocalyptic number.

13033432131220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13033432131220 is an abundant number, since it is smaller than the sum of its proper divisors (15303246518780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13033432131220 is a wasteful number, since it uses less digits than its factorization.

13033432131220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17992828 (or 17992826 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13033432131220 its reverse (2213123433031), we get a palindrome (15246555564251).

The spelling of 13033432131220 in words is "thirteen trillion, thirty-three billion, four hundred thirty-two million, one hundred thirty-one thousand, two hundred twenty".