1020202110202 has 16 divisors (see below), whose sum is σ = 1670088693312. Its totient is φ = 463542937920.

The previous prime is 1020202110173. The next prime is 1020202110203. The reversal of 1020202110202 is 2020112020201.

It is a happy number.

It is a super-2 number, since 2×1020202110202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020202110203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9208383 + ... + 9318514.

It is an arithmetic number, because the mean of its divisors is an integer number (104380543332).

Almost surely, 2^{1020202110202} is an apocalyptic number.

1020202110202 is a deficient number, since it is larger than the sum of its proper divisors (649886583110).

1020202110202 is a wasteful number, since it uses less digits than its factorization.

1020202110202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18529413.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1020202110202 its reverse (2020112020201), we get a palindrome (3040314130403).

Subtracting 1020202110202 from its reverse (2020112020201), we obtain a palindrome (999909909999).

The spelling of 1020202110202 in words is "one trillion, twenty billion, two hundred two million, one hundred ten thousand, two hundred two".