1131033320220 has 96 divisors (see below), whose sum is σ = 3192160075776. Its totient is φ = 299211148800.

The previous prime is 1131033320189. The next prime is 1131033320233. The reversal of 1131033320220 is 220233301311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4071360 + ... + 4340280.

It is an arithmetic number, because the mean of its divisors is an integer number (33251667456).

Almost surely, 2^{1131033320220} is an apocalyptic number.

1131033320220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131033320220 is an abundant number, since it is smaller than the sum of its proper divisors (2061126755556).

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

1131033320220 is a wasteful number, since it uses less digits than its factorization.

1131033320220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269491 (or 269489 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1131033320220 its reverse (220233301311), we get a palindrome (1351266621531).

The spelling of 1131033320220 in words is "one trillion, one hundred thirty-one billion, thirty-three million, three hundred twenty thousand, two hundred twenty".