220021110030 has 32 divisors (see below), whose sum is σ = 528066892800. Its totient is φ = 58670492832.

The previous prime is 220021109989. The next prime is 220021110031. The reversal of 220021110030 is 30011120022.

It is a junction number, because it is equal to n+sod(n) for n = 220021109988 and 220021110015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021110031) 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, 1090191 + ... + 1276149.

It is an arithmetic number, because the mean of its divisors is an integer number (16502090400).

Almost surely, 2^220021110030 is an apocalyptic number.

220021110030 is an abundant number, since it is smaller than the sum of its proper divisors (308045782770).

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

220021110030 is a wasteful number, since it uses less digits than its factorization.

220021110030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225408.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 220021110030 its reverse (30011120022), we get a palindrome (250032230052).

The spelling of 220021110030 in words is "two hundred twenty billion, twenty-one million, one hundred ten thousand, thirty".