33231013002020 has 24 divisors (see below), whose sum is σ = 69799401415800. Its totient is φ = 13289686322432.

The previous prime is 33231013001983. The next prime is 33231013002043. The reversal of 33231013002020 is 2020031013233.

It can be written as a sum of positive squares in 4 ways, for example, as 9329396012836 + 23901616989184 = 3054406^2 + 4888928^2 .

It is a super-2 number, since 2×33231013002020² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33231013001983 and 33231013002001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169829675 + ... + 170025234.

It is an arithmetic number, because the mean of its divisors is an integer number (2908308392325).

Almost surely, 2^{33231013002020} is an apocalyptic number.

It is an amenable number.

33231013002020 is an abundant number, since it is smaller than the sum of its proper divisors (36568388413780).

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

33231013002020 is a wasteful number, since it uses less digits than its factorization.

33231013002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339859807 (or 339859805 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 33231013002020 its reverse (2020031013233), we get a palindrome (35251044015253).

The spelling of 33231013002020 in words is "thirty-three trillion, two hundred thirty-one billion, thirteen million, two thousand, twenty".