220020111212 has 48 divisors (see below), whose sum is σ = 421566647040. Its totient is φ = 99645940800.

The previous prime is 220020111203. The next prime is 220020111217. The reversal of 220020111212 is 212111020022.

It is not an unprimeable number, because it can be changed into a prime (220020111217) 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, 14113262 + ... + 14128842.

It is an arithmetic number, because the mean of its divisors is an integer number (8782638480).

Almost surely, 2^220020111212 is an apocalyptic number.

220020111212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

220020111212 is a deficient number, since it is larger than the sum of its proper divisors (201546535828).

220020111212 is a wasteful number, since it uses less digits than its factorization.

220020111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16742 (or 16740 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220020111212 its reverse (212111020022), we get a palindrome (432131131234).

The spelling of 220020111212 in words is "two hundred twenty billion, twenty million, one hundred eleven thousand, two hundred twelve".