20102002103 has 8 divisors (see below), whose sum is σ = 20575252368. Its totient is φ = 19629013824.

The previous prime is 20102002079. The next prime is 20102002169. The reversal of 20102002103 is 30120020102.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20102002103 - 2¹⁴ = 20101985719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102002003) by changing a digit.

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, 94301 + ... + 221577.

It is an arithmetic number, because the mean of its divisors is an integer number (2571906546).

Almost surely, 2^20102002103 is an apocalyptic number.

20102002103 is a deficient number, since it is larger than the sum of its proper divisors (473250265).

20102002103 is a wasteful number, since it uses less digits than its factorization.

20102002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130993.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 20102002103 its reverse (30120020102), we get a palindrome (50222022205).

The spelling of 20102002103 in words is "twenty billion, one hundred two million, two thousand, one hundred three".