1233131232020 has 24 divisors (see below), whose sum is σ = 2589652835784. Its totient is φ = 493237778816.

The previous prime is 1233131231957. The next prime is 1233131232061. The reversal of 1233131232020 is 202321313321.

It can be written as a sum of positive squares in 4 ways, for example, as 668201614096 + 564929617924 = 817436^2 + 751618^2 .

It is a super-2 number, since 2×1233131232020² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 219407 + ... + 1585686.

It is an arithmetic number, because the mean of its divisors is an integer number (107902201491).

Almost surely, 2^{1233131232020} is an apocalyptic number.

1233131232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233131232020 is an abundant number, since it is smaller than the sum of its proper divisors (1356521603764).

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

1233131232020 is a wasteful number, since it uses less digits than its factorization.

1233131232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839259 (or 1839257 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1233131232020 its reverse (202321313321), we get a palindrome (1435452545341).

The spelling of 1233131232020 in words is "one trillion, two hundred thirty-three billion, one hundred thirty-one million, two hundred thirty-two thousand, twenty".