220004022023240 has 256 divisors, whose sum is σ = 635766770257920. Its totient is φ = 66596577315840.

The previous prime is 220004022023239. The next prime is 220004022023381. The reversal of 220004022023240 is 42320220400022.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1708744547 + ... + 1708873293.

It is an arithmetic number, because the mean of its divisors is an integer number (2483463946320).

Almost surely, 2^{220004022023240} is an apocalyptic number.

220004022023240 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 220004022023240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317883385128960).

220004022023240 is an abundant number, since it is smaller than the sum of its proper divisors (415762748234680).

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

220004022023240 is a wasteful number, since it uses less digits than its factorization.

220004022023240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149212 (or 149208 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 220004022023240 its reverse (42320220400022), we get a palindrome (262324242423262).

The spelling of 220004022023240 in words is "two hundred twenty trillion, four billion, twenty-two million, twenty-three thousand, two hundred forty".