20002102303 has 4 divisors (see below), whose sum is σ = 20002510440. Its totient is φ = 20001694168.

The previous prime is 20002102291. The next prime is 20002102327. The reversal of 20002102303 is 30320120002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20002102303 - 2¹³ = 20002094111 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 (20002132303) 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 3 ways as a sum of consecutive naturals, for example, 118633 + ... + 232546.

It is an arithmetic number, because the mean of its divisors is an integer number (5000627610).

Almost surely, 2^20002102303 is an apocalyptic number.

20002102303 is a deficient number, since it is larger than the sum of its proper divisors (408137).

20002102303 is an equidigital number, since it uses as much as digits as its factorization.

20002102303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408136.

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 20002102303 its reverse (30320120002), we get a palindrome (50322222305).

The spelling of 20002102303 in words is "twenty billion, two million, one hundred two thousand, three hundred three".