12020332220 has 48 divisors (see below), whose sum is σ = 28366390080. Its totient is φ = 4245305856.

The previous prime is 12020332169. The next prime is 12020332241. The reversal of 12020332220 is 2223302021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 999065 + ... + 1011024.

It is an arithmetic number, because the mean of its divisors is an integer number (590966460).

Almost surely, 2^12020332220 is an apocalyptic number.

12020332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12020332220 is an abundant number, since it is smaller than the sum of its proper divisors (16346057860).

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

12020332220 is a wasteful number, since it uses less digits than its factorization.

12020332220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010134 (or 2010132 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 12020332220 its reverse (2223302021), we get a palindrome (14243634241).

The spelling of 12020332220 in words is "twelve billion, twenty million, three hundred thirty-two thousand, two hundred twenty".