202102102002220 has 96 divisors (see below), whose sum is σ = 506138666342400. Its totient is φ = 66278830785024.

The previous prime is 202102102002209. The next prime is 202102102002247. The reversal of 202102102002220 is 22200201201202.

It is a junction number, because it is equal to n+sod(n) for n = 202102102002194 and 202102102002203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457563441 + ... + 458004919.

It is an arithmetic number, because the mean of its divisors is an integer number (5272277774400).

Almost surely, 2^{202102102002220} is an apocalyptic number.

202102102002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102102002220 is an abundant number, since it is smaller than the sum of its proper divisors (304036564340180).

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

202102102002220 is a wasteful number, since it uses less digits than its factorization.

202102102002220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583687 (or 583685 counting only the distinct ones).

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

Adding to 202102102002220 its reverse (22200201201202), we get a palindrome (224302303203422).

The spelling of 202102102002220 in words is "two hundred two trillion, one hundred two billion, one hundred two million, two thousand, two hundred twenty".