20120120220222 has 64 divisors (see below), whose sum is σ = 48778655224320. Its totient is φ = 6096680352000.

The previous prime is 20120120220121. The next prime is 20120120220311. The reversal of 20120120220222 is 22202202102102.

20120120220222 is a `hidden beast` number, since 2 + 0 + 1 + 201 + 20 + 220 + 222 = 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 = 20120120220195 and 20120120220204.

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, 10338847 + ... + 12129797.

It is an arithmetic number, because the mean of its divisors is an integer number (762166487880).

Almost surely, 2^{20120120220222} is an apocalyptic number.

20120120220222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20120120220222 is an abundant number, since it is smaller than the sum of its proper divisors (28658535004098).

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

20120120220222 is a wasteful number, since it uses less digits than its factorization.

20120120220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809886 (or 1809880 counting only the distinct ones).

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

Adding to 20120120220222 its reverse (22202202102102), we get a palindrome (42322322322324).

The spelling of 20120120220222 in words is "twenty trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty-two".