1020222200120 has 32 divisors (see below), whose sum is σ = 2297278145520. Its totient is φ = 407772756480.

The previous prime is 1020222200113. The next prime is 1020222200141. The reversal of 1020222200120 is 210022220201.

It is a junction number, because it is equal to n+sod(n) for n = 1020222200095 and 1020222200104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9826577 + ... + 9929856.

Almost surely, 2^{1020222200120} is an apocalyptic number.

1020222200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020222200120 is an abundant number, since it is smaller than the sum of its proper divisors (1277055945400).

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

1020222200120 is a wasteful number, since it uses less digits than its factorization.

1020222200120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19757735 (or 19757731 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1020222200120 its reverse (210022220201), we get a palindrome (1230244420321).

The spelling of 1020222200120 in words is "one trillion, twenty billion, two hundred twenty-two million, two hundred thousand, one hundred twenty".