202010103 has 12 divisors (see below), whose sum is σ = 291950568. Its totient is φ = 134600400.

The previous prime is 202010077. The next prime is 202010113. The reversal of 202010103 is 301010202.

It is a happy number.

It is not a de Polignac number, because 202010103 - 2¹⁴ = 201993719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15453 + ... + 25353.

It is an arithmetic number, because the mean of its divisors is an integer number (24329214).

Almost surely, 2^202010103 is an apocalyptic number.

202010103 is a deficient number, since it is larger than the sum of its proper divisors (89940465).

202010103 is a wasteful number, since it uses less digits than its factorization.

202010103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12174 (or 12171 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 202010103 is about 14213.0258214076. The cubic root of 202010103 is about 586.7562126931.

Adding to 202010103 its reverse (301010202), we get a palindrome (503020305).

Subtracting 202010103 from its reverse (301010202), we obtain a palindrome (99000099).

The spelling of 202010103 in words is "two hundred two million, ten thousand, one hundred three".