2231023003220 has 48 divisors (see below), whose sum is σ = 5333291365248. Its totient is φ = 776007999360.

The previous prime is 2231023003201. The next prime is 2231023003229. The reversal of 2231023003220 is 223003201322.

It is a super-3 number, since 3×2231023003220³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2231023003192 and 2231023003201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2231023003229) 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, 220451759 + ... + 220461878.

It is an arithmetic number, because the mean of its divisors is an integer number (111110236776).

Almost surely, 2^{2231023003220} is an apocalyptic number.

2231023003220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231023003220 is an abundant number, since it is smaller than the sum of its proper divisors (3102268362028).

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

2231023003220 is a wasteful number, since it uses less digits than its factorization.

2231023003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440913680 (or 440913678 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2231023003220 its reverse (223003201322), we get a palindrome (2454026204542).

The spelling of 2231023003220 in words is "two trillion, two hundred thirty-one billion, twenty-three million, three thousand, two hundred twenty".