220021221022120 has 128 divisors (see below), whose sum is σ = 593364292646400. Its totient is φ = 71789753097216.

The previous prime is 220021221022111. The next prime is 220021221022139. The reversal of 220021221022120 is 21220122120022.

220021221022120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85443975 + ... + 87981334.

It is an arithmetic number, because the mean of its divisors is an integer number (4635658536300).

Almost surely, 2^{220021221022120} is an apocalyptic number.

220021221022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220021221022120 is an abundant number, since it is smaller than the sum of its proper divisors (373343071624280).

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

220021221022120 is a wasteful number, since it uses less digits than its factorization.

220021221022120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173425547 (or 173425543 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220021221022120 its reverse (21220122120022), we get a palindrome (241241343142142).

The spelling of 220021221022120 in words is "two hundred twenty trillion, twenty-one billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty".