20001302203 has 2 divisors, whose sum is σ = 20001302204. Its totient is φ = 20001302202.

The previous prime is 20001302173. The next prime is 20001302227. The reversal of 20001302203 is 30220310002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20001302203 - 2⁵ = 20001302171 is a prime.

It is not a weakly prime, because it can be changed into another prime (20001332203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10000651101 + 10000651102.

It is an arithmetic number, because the mean of its divisors is an integer number (10000651102).

Almost surely, 2^20001302203 is an apocalyptic number.

20001302203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20001302203 is an equidigital number, since it uses as much as digits as its factorization.

20001302203 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 20001302203 its reverse (30220310002), we get a palindrome (50221612205).

The spelling of 20001302203 in words is "twenty billion, one million, three hundred two thousand, two hundred three".