210020020102 has 16 divisors (see below), whose sum is σ = 329214961152. Its totient is φ = 100385618760.

The previous prime is 210020020069. The next prime is 210020020139. The reversal of 210020020102 is 201020020012.

210020020102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25975674 + ... + 25983757.

It is an arithmetic number, because the mean of its divisors is an integer number (20575935072).

Almost surely, 2^210020020102 is an apocalyptic number.

210020020102 is a deficient number, since it is larger than the sum of its proper divisors (119194941050).

210020020102 is a wasteful number, since it uses less digits than its factorization.

210020020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51959523.

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

Adding to 210020020102 its reverse (201020020012), we get a palindrome (411040040114).

The spelling of 210020020102 in words is "two hundred ten billion, twenty million, twenty thousand, one hundred two".