220023240000 has 140 divisors (see below), whose sum is σ = 727448566944. Its totient is φ = 58672832000.

The previous prime is 220023239981. The next prime is 220023240053. The reversal of 220023240000 is 42320022.

It is a super-2 number, since 2×220023240000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 796764 + ... + 1036763.

Almost surely, 2^220023240000 is an apocalyptic number.

220023240000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220023240000 is an abundant number, since it is smaller than the sum of its proper divisors (507425326944).

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

220023240000 is an equidigital number, since it uses as much as digits as its factorization.

220023240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833562 (or 1833537 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 220023240000 its reverse (42320022), we get a palindrome (220065560022).

The spelling of 220023240000 in words is "two hundred twenty billion, twenty-three million, two hundred forty thousand".