222222001122020 has 24 divisors (see below), whose sum is σ = 486956037242304. Its totient is φ = 85024069994336.

The previous prime is 222222001121999. The next prime is 222222001122067. The reversal of 222222001122020 is 20221100222222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222222001121983 and 222222001122001.

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, 241545652934 + ... + 241545653853.

It is an arithmetic number, because the mean of its divisors is an integer number (20289834885096).

Almost surely, 2^{222222001122020} is an apocalyptic number.

222222001122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222001122020 is an abundant number, since it is smaller than the sum of its proper divisors (264734036120284).

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

222222001122020 is a wasteful number, since it uses less digits than its factorization.

222222001122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483091306819 (or 483091306817 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222001122020 its reverse (20221100222222), we get a palindrome (242443101344242).

The spelling of 222222001122020 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one million, one hundred twenty-two thousand, twenty".