102020202201220 has 48 divisors (see below), whose sum is σ = 225520928236800. Its totient is φ = 38659843745280.

The previous prime is 102020202201191. The next prime is 102020202201221. The reversal of 102020202201220 is 22102202020201.

It is a junction number, because it is equal to n+sod(n) for n = 102020202201194 and 102020202201203.

It is not an unprimeable number, because it can be changed into a prime (102020202201221) 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, 32632725 + ... + 35622115.

It is an arithmetic number, because the mean of its divisors is an integer number (4698352671600).

Almost surely, 2^{102020202201220} is an apocalyptic number.

102020202201220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102020202201220 is an abundant number, since it is smaller than the sum of its proper divisors (123500726035580).

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

102020202201220 is a wasteful number, since it uses less digits than its factorization.

102020202201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3079228 (or 3079226 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102020202201220 its reverse (22102202020201), we get a palindrome (124122404221421).

The spelling of 102020202201220 in words is "one hundred two trillion, twenty billion, two hundred two million, two hundred one thousand, two hundred twenty".