220251131331000 has 512 divisors, whose sum is σ = 856806749061120. Its totient is φ = 45763346496000.

The previous prime is 220251131330983. The next prime is 220251131331001. The reversal of 220251131331000 is 133131152022.

It is a happy number.

It is a super-2 number, since 2×220251131331000² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220251131331001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5152895629 + ... + 5152938371.

It is an arithmetic number, because the mean of its divisors is an integer number (1673450681760).

Almost surely, 2^{220251131331000} is an apocalyptic number.

220251131331000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220251131331000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428403374530560).

220251131331000 is an abundant number, since it is smaller than the sum of its proper divisors (636555617730120).

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

220251131331000 is a wasteful number, since it uses less digits than its factorization.

220251131331000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65092 (or 65078 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 220251131331000 its reverse (133131152022), we get a palindrome (220384262483022).

The spelling of 220251131331000 in words is "two hundred twenty trillion, two hundred fifty-one billion, one hundred thirty-one million, three hundred thirty-one thousand".