20326732903 has 2 divisors, whose sum is σ = 20326732904. Its totient is φ = 20326732902.

The previous prime is 20326732889. The next prime is 20326732949. The reversal of 20326732903 is 30923762302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20326732903 - 2⁵ = 20326732871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20326732963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10163366451 + 10163366452.

It is an arithmetic number, because the mean of its divisors is an integer number (10163366452).

Almost surely, 2^20326732903 is an apocalyptic number.

20326732903 is a deficient number, since it is larger than the sum of its proper divisors (1).

20326732903 is an equidigital number, since it uses as much as digits as its factorization.

20326732903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 37.

The spelling of 20326732903 in words is "twenty billion, three hundred twenty-six million, seven hundred thirty-two thousand, nine hundred three".