202001020102 has 24 divisors (see below), whose sum is σ = 356932841760. Its totient is φ = 85476016080.

The previous prime is 202001020033. The next prime is 202001020121. The reversal of 202001020102 is 201020100202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13038049 + ... + 13053532.

It is an arithmetic number, because the mean of its divisors is an integer number (14872201740).

Almost surely, 2^202001020102 is an apocalyptic number.

202001020102 is a deficient number, since it is larger than the sum of its proper divisors (154931821658).

202001020102 is a wasteful number, since it uses less digits than its factorization.

202001020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26091676 (or 26091669 counting only the distinct ones).

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

Adding to 202001020102 its reverse (201020100202), we get a palindrome (403021120304).

The spelling of 202001020102 in words is "two hundred two billion, one million, twenty thousand, one hundred two".