10120020203 has 2 divisors, whose sum is σ = 10120020204. Its totient is φ = 10120020202.

The previous prime is 10120020193. The next prime is 10120020247. The reversal of 10120020203 is 30202002101.

It is a happy number.

10120020203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10120020203 - 2²⁰ = 10118971627 is a prime.

It is a super-2 number, since 2×10120020203² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10120020403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060010101 + 5060010102.

It is an arithmetic number, because the mean of its divisors is an integer number (5060010102).

Almost surely, 2^10120020203 is an apocalyptic number.

10120020203 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120020203 is an equidigital number, since it uses as much as digits as its factorization.

10120020203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 10120020203 its reverse (30202002101), we get a palindrome (40322022304).

The spelling of 10120020203 in words is "ten billion, one hundred twenty million, twenty thousand, two hundred three".