1033311320020 has 48 divisors (see below), whose sum is σ = 2480053201920. Its totient is φ = 354263019264.

The previous prime is 1033311320011. The next prime is 1033311320021. The reversal of 1033311320020 is 200231133301.

It is a self number, because there is not a number n which added to its sum of digits gives 1033311320020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1033311320021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416392 + ... + 3706528.

It is an arithmetic number, because the mean of its divisors is an integer number (51667775040).

Almost surely, 2^{1033311320020} is an apocalyptic number.

1033311320020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1033311320020 is an abundant number, since it is smaller than the sum of its proper divisors (1446741881900).

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

1033311320020 is a wasteful number, since it uses less digits than its factorization.

1033311320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315592 (or 315590 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1033311320020 its reverse (200231133301), we get a palindrome (1233542453321).

The spelling of 1033311320020 in words is "one trillion, thirty-three billion, three hundred eleven million, three hundred twenty thousand, twenty".