20312200003 has 2 divisors, whose sum is σ = 20312200004. Its totient is φ = 20312200002.

The previous prime is 20312200001. The next prime is 20312200057. The reversal of 20312200003 is 30000221302.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20312200003 - 2¹ = 20312200001 is a prime.

Together with 20312200001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20312200001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10156100001 + 10156100002.

It is an arithmetic number, because the mean of its divisors is an integer number (10156100002).

Almost surely, 2^20312200003 is an apocalyptic number.

20312200003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20312200003 is an equidigital number, since it uses as much as digits as its factorization.

20312200003 is an evil number, because the sum of its binary digits is even.

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

Adding to 20312200003 its reverse (30000221302), we get a palindrome (50312421305).

The spelling of 20312200003 in words is "twenty billion, three hundred twelve million, two hundred thousand, three".