220120222020120 has 128 divisors (see below), whose sum is σ = 746170244352000. Its totient is φ = 57703832196480.

The previous prime is 220120222020119. The next prime is 220120222020199. The reversal of 220120222020120 is 21020222021022.

220120222020120 is a `hidden beast` number, since 2 + 20 + 1 + 202 + 220 + 201 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220120222020093 and 220120222020102.

It is a congruent number.

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, 1727182216 + ... + 1727309655.

It is an arithmetic number, because the mean of its divisors is an integer number (5829455034000).

Almost surely, 2^{220120222020120} is an apocalyptic number.

220120222020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220120222020120 is an abundant number, since it is smaller than the sum of its proper divisors (526050022331880).

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

220120222020120 is a wasteful number, since it uses less digits than its factorization.

220120222020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3454491950 (or 3454491940 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220120222020120 its reverse (21020222021022), we get a palindrome (241140444041142).

The spelling of 220120222020120 in words is "two hundred twenty trillion, one hundred twenty billion, two hundred twenty-two million, twenty thousand, one hundred twenty".