1222202000020 has 48 divisors (see below), whose sum is σ = 2568660228288. Its totient is φ = 488493181440.

The previous prime is 1222202000009. The next prime is 1222202000027. The reversal of 1222202000020 is 200002022221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222202000027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229605079 + ... + 229610401.

It is an arithmetic number, because the mean of its divisors is an integer number (53513754756).

Almost surely, 2^{1222202000020} is an apocalyptic number.

1222202000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222202000020 is an abundant number, since it is smaller than the sum of its proper divisors (1346458228268).

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

1222202000020 is a wasteful number, since it uses less digits than its factorization.

1222202000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12280 (or 12278 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 1222202000020 its reverse (200002022221), we get a palindrome (1422204022241).

The spelling of 1222202000020 in words is "one trillion, two hundred twenty-two billion, two hundred two million, twenty", and thus it is an aban number.