20403103379 has 2 divisors, whose sum is σ = 20403103380. Its totient is φ = 20403103378.

The previous prime is 20403103337. The next prime is 20403103387. The reversal of 20403103379 is 97330130402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20403103379 is a prime.

It is a super-2 number, since 2×20403103379² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20403108379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10201551689 + 10201551690.

It is an arithmetic number, because the mean of its divisors is an integer number (10201551690).

Almost surely, 2^20403103379 is an apocalyptic number.

20403103379 is a deficient number, since it is larger than the sum of its proper divisors (1).

20403103379 is an equidigital number, since it uses as much as digits as its factorization.

20403103379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 32.

The spelling of 20403103379 in words is "twenty billion, four hundred three million, one hundred three thousand, three hundred seventy-nine".