10021020202220 has 24 divisors (see below), whose sum is σ = 21044213207808. Its totient is φ = 4008394598400.

The previous prime is 10021020202181. The next prime is 10021020202229. The reversal of 10021020202220 is 2220202012001.

It is a junction number, because it is equal to n+sod(n) for n = 10021020202195 and 10021020202204.

It is not an unprimeable number, because it can be changed into a prime (10021020202229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7059500 + ... + 8359340.

It is an arithmetic number, because the mean of its divisors is an integer number (876842216992).

Almost surely, 2^{10021020202220} is an apocalyptic number.

10021020202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10021020202220 is an abundant number, since it is smaller than the sum of its proper divisors (11023193005588).

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

10021020202220 is a wasteful number, since it uses less digits than its factorization.

10021020202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685321 (or 1685319 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 10021020202220 its reverse (2220202012001), we get a palindrome (12241222214221).

The spelling of 10021020202220 in words is "ten trillion, twenty-one billion, twenty million, two hundred two thousand, two hundred twenty".