20054003 has 2 divisors, whose sum is σ = 20054004. Its totient is φ = 20054002.

The previous prime is 20053991. The next prime is 20054011. The reversal of 20054003 is 30045002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20054003 - 2¹⁶ = 19988467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20054093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10027001 + 10027002.

It is an arithmetic number, because the mean of its divisors is an integer number (10027002).

Almost surely, 2^20054003 is an apocalyptic number.

20054003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20054003 is an equidigital number, since it uses as much as digits as its factorization.

20054003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 20054003 is about 4478.1696037555. The cubic root of 20054003 is about 271.6858532541.

Adding to 20054003 its reverse (30045002), we get a palindrome (50099005).

Subtracting 20054003 from its reverse (30045002), we obtain a palindrome (9990999).

The spelling of 20054003 in words is "twenty million, fifty-four thousand, three".