10202202020 has 12 divisors (see below), whose sum is σ = 21424624284. Its totient is φ = 4080880800.

The previous prime is 10202202013. The next prime is 10202202029. The reversal of 10202202020 is 2020220201.

It can be written as a sum of positive squares in 2 ways, for example, as 7691991616 + 2510210404 = 87704^2 + 50102^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10202201992 and 10202202010.

It is not an unprimeable number, because it can be changed into a prime (10202202029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255055031 + ... + 255055070.

It is an arithmetic number, because the mean of its divisors is an integer number (1785385357).

Almost surely, 2^10202202020 is an apocalyptic number.

10202202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202202020 is an abundant number, since it is smaller than the sum of its proper divisors (11222422264).

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

10202202020 is a wasteful number, since it uses less digits than its factorization.

10202202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510110110 (or 510110108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 10202202020 its reverse (2020220201), we get a palindrome (12222422221).

The spelling of 10202202020 in words is "ten billion, two hundred two million, two hundred two thousand, twenty".