20055400003 has 2 divisors, whose sum is σ = 20055400004. Its totient is φ = 20055400002.

The previous prime is 20055399983. The next prime is 20055400007. The reversal of 20055400003 is 30000455002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20055400003 - 2⁵ = 20055399971 is a prime.

It is not a weakly prime, because it can be changed into another prime (20055400007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10027700001 + 10027700002.

It is an arithmetic number, because the mean of its divisors is an integer number (10027700002).

Almost surely, 2^20055400003 is an apocalyptic number.

20055400003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20055400003 is an equidigital number, since it uses as much as digits as its factorization.

20055400003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 19.

Adding to 20055400003 its reverse (30000455002), we get a palindrome (50055855005).

The spelling of 20055400003 in words is "twenty billion, fifty-five million, four hundred thousand, three".