20385388703 has 2 divisors, whose sum is σ = 20385388704. Its totient is φ = 20385388702.

The previous prime is 20385388669. The next prime is 20385388729. The reversal of 20385388703 is 30788358302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20385388703 - 2⁸ = 20385388447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20385388783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10192694351 + 10192694352.

It is an arithmetic number, because the mean of its divisors is an integer number (10192694352).

Almost surely, 2^20385388703 is an apocalyptic number.

20385388703 is a deficient number, since it is larger than the sum of its proper divisors (1).

20385388703 is an equidigital number, since it uses as much as digits as its factorization.

20385388703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 20385388703 in words is "twenty billion, three hundred eighty-five million, three hundred eighty-eight thousand, seven hundred three".