20102301203 has 2 divisors, whose sum is σ = 20102301204. Its totient is φ = 20102301202.

The previous prime is 20102301173. The next prime is 20102301251. The reversal of 20102301203 is 30210320102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102301203 is a prime.

It is a super-2 number, since 2×20102301203² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20102301103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051150601 + 10051150602.

It is an arithmetic number, because the mean of its divisors is an integer number (10051150602).

Almost surely, 2^20102301203 is an apocalyptic number.

20102301203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102301203 is an equidigital number, since it uses as much as digits as its factorization.

20102301203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20102301203 its reverse (30210320102), we get a palindrome (50312621305).

The spelling of 20102301203 in words is "twenty billion, one hundred two million, three hundred one thousand, two hundred three".