1033231312220 has 24 divisors (see below), whose sum is σ = 2283985006800. Its totient is φ = 391540286592.

The previous prime is 1033231312219. The next prime is 1033231312247. The reversal of 1033231312220 is 222131323301.

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, 1359514505 + ... + 1359515264.

It is an arithmetic number, because the mean of its divisors is an integer number (95166041950).

Almost surely, 2^{1033231312220} is an apocalyptic number.

1033231312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033231312220 is an abundant number, since it is smaller than the sum of its proper divisors (1250753694580).

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

1033231312220 is a wasteful number, since it uses less digits than its factorization.

1033231312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2719029797 (or 2719029795 counting only the distinct ones).

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

Adding to 1033231312220 its reverse (222131323301), we get a palindrome (1255362635521).

The spelling of 1033231312220 in words is "one trillion, thirty-three billion, two hundred thirty-one million, three hundred twelve thousand, two hundred twenty".