2220321231000 has 96 divisors (see below), whose sum is σ = 7504685791200. Its totient is φ = 592085659200.

The previous prime is 2220321230999. The next prime is 2220321231041. The reversal of 2220321231000 is 1321230222.

2220321231000 is a `hidden beast` number, since 2 + 220 + 321 + 23 + 100 + 0 = 666.

It is a super-2 number, since 2×2220321231000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123342180 + ... + 123360179.

It is an arithmetic number, because the mean of its divisors is an integer number (78173810325).

Almost surely, 2^{2220321231000} is an apocalyptic number.

2220321231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220321231000 is an abundant number, since it is smaller than the sum of its proper divisors (5284364560200).

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

2220321231000 is a wasteful number, since it uses less digits than its factorization.

2220321231000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246702386 (or 246702369 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 2220321231000 its reverse (1321230222), we get a palindrome (2221642461222).

The spelling of 2220321231000 in words is "two trillion, two hundred twenty billion, three hundred twenty-one million, two hundred thirty-one thousand".