220030030020 has 48 divisors (see below), whose sum is σ = 617692723200. Its totient is φ = 58521470976.

The previous prime is 220030030019. The next prime is 220030030021. The reversal of 220030030020 is 20030030022.

It is an interprime number because it is at equal distance from previous prime (220030030019) and next prime (220030030021).

It is a super-2 number, since 2×220030030020² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 220030029978 and 220030030005.

It is not an unprimeable number, because it can be changed into a prime (220030030021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4764445 + ... + 4810404.

It is an arithmetic number, because the mean of its divisors is an integer number (12868598400).

Almost surely, 2^220030030020 is an apocalyptic number.

220030030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220030030020 is an abundant number, since it is smaller than the sum of its proper divisors (397662693180).

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

220030030020 is a wasteful number, since it uses less digits than its factorization.

220030030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575244 (or 9575242 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 12.

Adding to 220030030020 its reverse (20030030022), we get a palindrome (240060060042).

The spelling of 220030030020 in words is "two hundred twenty billion, thirty million, thirty thousand, twenty".