20468654903 has 2 divisors, whose sum is σ = 20468654904. Its totient is φ = 20468654902.

The previous prime is 20468654879. The next prime is 20468655001. The reversal of 20468654903 is 30945686402.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20468654903 - 2¹⁸ = 20468392759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20468654303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10234327451 + 10234327452.

It is an arithmetic number, because the mean of its divisors is an integer number (10234327452).

Almost surely, 2^20468654903 is an apocalyptic number.

20468654903 is a deficient number, since it is larger than the sum of its proper divisors (1).

20468654903 is an equidigital number, since it uses as much as digits as its factorization.

20468654903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 20468654903 in words is "twenty billion, four hundred sixty-eight million, six hundred fifty-four thousand, nine hundred three".