102020102002 has 48 divisors (see below), whose sum is σ = 191771034840. Its totient is φ = 40346353152.

The previous prime is 102020101991. The next prime is 102020102017. The reversal of 102020102002 is 200201020201.

102020102002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 66765908881 + 35254193121 = 258391^2 + 187761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102020102002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4469274 + ... + 4492042.

Almost surely, 2^102020102002 is an apocalyptic number.

102020102002 is a deficient number, since it is larger than the sum of its proper divisors (89750932838).

102020102002 is a wasteful number, since it uses less digits than its factorization.

102020102002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26315 (or 26308 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 102020102002 its reverse (200201020201), we get a palindrome (302221122203).

The spelling of 102020102002 in words is "one hundred two billion, twenty million, one hundred two thousand, two".