220011223020 has 192 divisors, whose sum is σ = 638761697280. Its totient is φ = 56552876800.

The previous prime is 220011222989. The next prime is 220011223051. The reversal of 220011223020 is 20322110022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (220011222989) and next prime (220011223051).

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

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, 48003649 + ... + 48008231.

It is an arithmetic number, because the mean of its divisors is an integer number (3326883840).

Almost surely, 2^220011223020 is an apocalyptic number.

220011223020 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 220011223020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319380848640).

220011223020 is an abundant number, since it is smaller than the sum of its proper divisors (418750474260).

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

220011223020 is a wasteful number, since it uses less digits than its factorization.

220011223020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916 (or 4914 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 220011223020 its reverse (20322110022), we get a palindrome (240333333042).

The spelling of 220011223020 in words is "two hundred twenty billion, eleven million, two hundred twenty-three thousand, twenty".