20003203139 has 2 divisors, whose sum is σ = 20003203140. Its totient is φ = 20003203138.

The previous prime is 20003203057. The next prime is 20003203151. The reversal of 20003203139 is 93130230002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20003203139 - 2¹² = 20003199043 is a prime.

It is not a weakly prime, because it can be changed into another prime (20003203039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001601569 + 10001601570.

It is an arithmetic number, because the mean of its divisors is an integer number (10001601570).

Almost surely, 2^20003203139 is an apocalyptic number.

20003203139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20003203139 is an equidigital number, since it uses as much as digits as its factorization.

20003203139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The spelling of 20003203139 in words is "twenty billion, three million, two hundred three thousand, one hundred thirty-nine".