20203011139 has 2 divisors, whose sum is σ = 20203011140. Its totient is φ = 20203011138.

The previous prime is 20203011079. The next prime is 20203011161. The reversal of 20203011139 is 93111030202.

It is an a-pointer prime, because the next prime (20203011161) can be obtained adding 20203011139 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20203011139 - 2¹¹ = 20203009091 is a prime.

It is not a weakly prime, because it can be changed into another prime (20203017139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10101505569 + 10101505570.

It is an arithmetic number, because the mean of its divisors is an integer number (10101505570).

Almost surely, 2^20203011139 is an apocalyptic number.

20203011139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20203011139 is an equidigital number, since it uses as much as digits as its factorization.

20203011139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 20203011139 in words is "twenty billion, two hundred three million, eleven thousand, one hundred thirty-nine".