220120022120020 has 24 divisors (see below), whose sum is σ = 504274959766368. Its totient is φ = 80043644407200.

The previous prime is 220120022120017. The next prime is 220120022120057. The reversal of 220120022120020 is 20021220021022.

It is a junction number, because it is equal to n+sod(n) for n = 220120022119976 and 220120022120003.

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, 500272777326 + ... + 500272777765.

It is an arithmetic number, because the mean of its divisors is an integer number (21011456656932).

Almost surely, 2^{220120022120020} is an apocalyptic number.

220120022120020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220120022120020 is an abundant number, since it is smaller than the sum of its proper divisors (284154937646348).

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

220120022120020 is a wasteful number, since it uses less digits than its factorization.

220120022120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000545555111 (or 1000545555109 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220120022120020 its reverse (20021220021022), we get a palindrome (240141242141042).

The spelling of 220120022120020 in words is "two hundred twenty trillion, one hundred twenty billion, twenty-two million, one hundred twenty thousand, twenty".