2231132033220 has 48 divisors (see below), whose sum is σ = 6247678469760. Its totient is φ = 594920087296.

The previous prime is 2231132033213. The next prime is 2231132033261. The reversal of 2231132033220 is 223302311322.

It is a super-3 number, since 3×2231132033220³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768312 + ... + 2247791.

It is an arithmetic number, because the mean of its divisors is an integer number (130159968120).

Almost surely, 2^{2231132033220} is an apocalyptic number.

2231132033220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231132033220 is an abundant number, since it is smaller than the sum of its proper divisors (4016546436540).

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

2231132033220 is a wasteful number, since it uses less digits than its factorization.

2231132033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028444 (or 3028442 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 2231132033220 its reverse (223302311322), we get a palindrome (2454434344542).

The spelling of 2231132033220 in words is "two trillion, two hundred thirty-one billion, one hundred thirty-two million, thirty-three thousand, two hundred twenty".