20110000220 has 24 divisors (see below), whose sum is σ = 42251557824. Its totient is φ = 8040084416.

The previous prime is 20110000201. The next prime is 20110000231. The reversal of 20110000220 is 2200001102.

It is a junction number, because it is equal to n+sod(n) for n = 20110000198 and 20110000207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202439 + ... + 284958.

It is an arithmetic number, because the mean of its divisors is an integer number (1760481576).

Almost surely, 2^20110000220 is an apocalyptic number.

20110000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110000220 is an abundant number, since it is smaller than the sum of its proper divisors (22141557604).

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

20110000220 is a wasteful number, since it uses less digits than its factorization.

20110000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489469 (or 489467 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20110000220 its reverse (2200001102), we get a palindrome (22310001322).

The spelling of 20110000220 in words is "twenty billion, one hundred ten million, two hundred twenty", and thus it is an aban number.