220223239992 has 160 divisors (see below), whose sum is σ = 716896540800. Its totient is φ = 61854394176.

The previous prime is 220223239991. The next prime is 220223239993. The reversal of 220223239992 is 299932322022.

220223239992 is a `hidden beast` number, since 2 + 20 + 2 + 232 + 399 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (220223239991) and next prime (220223239993).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220223239991) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 143818 + ... + 679065.

It is an arithmetic number, because the mean of its divisors is an integer number (4480603380).

Almost surely, 2^220223239992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220223239992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358448270400).

220223239992 is an abundant number, since it is smaller than the sum of its proper divisors (496673300808).

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

220223239992 is a wasteful number, since it uses less digits than its factorization.

220223239992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822967 (or 822954 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 220223239992 in words is "two hundred twenty billion, two hundred twenty-three million, two hundred thirty-nine thousand, nine hundred ninety-two".