20202110210 has 32 divisors (see below), whose sum is σ = 37707303600. Its totient is φ = 7783614720.

The previous prime is 20202110207. The next prime is 20202110219. The reversal of 20202110210 is 1201120202.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 7742416081 + 12459694129 = 87991^2 + 111623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20202110191 and 20202110200.

It is not an unprimeable number, because it can be changed into a prime (20202110219) 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, 39356 + ... + 204824.

Almost surely, 2^20202110210 is an apocalyptic number.

20202110210 is a deficient number, since it is larger than the sum of its proper divisors (17505193390).

20202110210 is a wasteful number, since it uses less digits than its factorization.

20202110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165926.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20202110210 its reverse (1201120202), we get a palindrome (21403230412).

The spelling of 20202110210 in words is "twenty billion, two hundred two million, one hundred ten thousand, two hundred ten".