20213012203 has 2 divisors, whose sum is σ = 20213012204. Its totient is φ = 20213012202.

The previous prime is 20213012159. The next prime is 20213012293. The reversal of 20213012203 is 30221031202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20213012203 - 2⁹ = 20213011691 is a prime.

It is not a weakly prime, because it can be changed into another prime (20213012293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106506101 + 10106506102.

It is an arithmetic number, because the mean of its divisors is an integer number (10106506102).

Almost surely, 2^20213012203 is an apocalyptic number.

20213012203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20213012203 is an equidigital number, since it uses as much as digits as its factorization.

20213012203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20213012203 its reverse (30221031202), we get a palindrome (50434043405).

The spelling of 20213012203 in words is "twenty billion, two hundred thirteen million, twelve thousand, two hundred three".