10202002002220 has 48 divisors (see below), whose sum is σ = 24759915001920. Its totient is φ = 3458527801344.

The previous prime is 10202002002197. The next prime is 10202002002259. The reversal of 10202002002220 is 2220020020201.

It is a self number, because there is not a number n which added to its sum of digits gives 10202002002220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409377669 + ... + 409402588.

It is an arithmetic number, because the mean of its divisors is an integer number (515831562540).

Almost surely, 2^{10202002002220} is an apocalyptic number.

10202002002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202002002220 is an abundant number, since it is smaller than the sum of its proper divisors (14557912999700).

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

10202002002220 is a wasteful number, since it uses less digits than its factorization.

10202002002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818780362 (or 818780360 counting only the distinct ones).

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

Adding to 10202002002220 its reverse (2220020020201), we get a palindrome (12422022022421).

The spelling of 10202002002220 in words is "ten trillion, two hundred two billion, two million, two thousand, two hundred twenty".