220012222020 has 48 divisors (see below), whose sum is σ = 616471672320. Its totient is φ = 58628263936.

The previous prime is 220012222019. The next prime is 220012222039. The reversal of 220012222020 is 20222210022.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 1216692 + ... + 1385771.

It is an arithmetic number, because the mean of its divisors is an integer number (12843159840).

Almost surely, 2^220012222020 is an apocalyptic number.

220012222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220012222020 is an abundant number, since it is smaller than the sum of its proper divisors (396459450300).

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

220012222020 is a wasteful number, since it uses less digits than its factorization.

220012222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2603884 (or 2603882 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 220012222020 its reverse (20222210022), we get a palindrome (240234432042).

It can be divided in two parts, 22001 and 2222020, that added together give a triangular number (2244021 = T₂₁₁₈).

The spelling of 220012222020 in words is "two hundred twenty billion, twelve million, two hundred twenty-two thousand, twenty".