20462003 has 2 divisors, whose sum is σ = 20462004. Its totient is φ = 20462002.

The previous prime is 20461981. The next prime is 20462011. The reversal of 20462003 is 30026402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20462003 - 2⁶ = 20461939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (20462063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10231001 + 10231002.

It is an arithmetic number, because the mean of its divisors is an integer number (10231002).

Almost surely, 2^20462003 is an apocalyptic number.

20462003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20462003 is an equidigital number, since it uses as much as digits as its factorization.

20462003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20462003 is about 4523.4945562032. The cubic root of 20462003 is about 273.5159862184.

Adding to 20462003 its reverse (30026402), we get a palindrome (50488405).

The spelling of 20462003 in words is "twenty million, four hundred sixty-two thousand, three".