202100001322220 has 24 divisors (see below), whose sum is σ = 425942168863344. Its totient is φ = 80548159369536.

The previous prime is 202100001322217. The next prime is 202100001322231. The reversal of 202100001322220 is 22223100001202.

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, 18240066782 + ... + 18240077861.

It is an arithmetic number, because the mean of its divisors is an integer number (17747590369306).

Almost surely, 2^{202100001322220} is an apocalyptic number.

202100001322220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202100001322220 is an abundant number, since it is smaller than the sum of its proper divisors (223842167541124).

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

202100001322220 is a wasteful number, since it uses less digits than its factorization.

202100001322220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36480144929 (or 36480144927 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202100001322220 its reverse (22223100001202), we get a palindrome (224323101323422).

The spelling of 202100001322220 in words is "two hundred two trillion, one hundred billion, one million, three hundred twenty-two thousand, two hundred twenty".