20858328203 has 2 divisors, whose sum is σ = 20858328204. Its totient is φ = 20858328202.

The previous prime is 20858328173. The next prime is 20858328217. The reversal of 20858328203 is 30282385802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20858328203 - 2⁸ = 20858327947 is a prime.

It is not a weakly prime, because it can be changed into another prime (20858028203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10429164101 + 10429164102.

It is an arithmetic number, because the mean of its divisors is an integer number (10429164102).

Almost surely, 2^20858328203 is an apocalyptic number.

20858328203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20858328203 is an equidigital number, since it uses as much as digits as its factorization.

20858328203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 41.

The spelling of 20858328203 in words is "twenty billion, eight hundred fifty-eight million, three hundred twenty-eight thousand, two hundred three".