102020200202 has 16 divisors (see below), whose sum is σ = 158364057960. Its totient is φ = 49233444288.

The previous prime is 102020200189. The next prime is 102020200207. The reversal of 102020200202 is 202002020201.

It can be written as a sum of positive squares in 4 ways, for example, as 97624377601 + 4395822601 = 312449^2 + 66301^2 .

It is not an unprimeable number, because it can be changed into a prime (102020200207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152213 + ... + 476664.

Almost surely, 2^102020200202 is an apocalyptic number.

102020200202 is a deficient number, since it is larger than the sum of its proper divisors (56343857758).

102020200202 is a wasteful number, since it uses less digits than its factorization.

102020200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631705.

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

Adding to 102020200202 its reverse (202002020201), we get a palindrome (304022220403).

The spelling of 102020200202 in words is "one hundred two billion, twenty million, two hundred thousand, two hundred two".