20012020003 has 2 divisors, whose sum is σ = 20012020004. Its totient is φ = 20012020002.

The previous prime is 20012020001. The next prime is 20012020051. The reversal of 20012020003 is 30002021002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20012020003 - 2¹ = 20012020001 is a prime.

Together with 20012020001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20012020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006010001 + 10006010002.

It is an arithmetic number, because the mean of its divisors is an integer number (10006010002).

Almost surely, 2^20012020003 is an apocalyptic number.

20012020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012020003 is an equidigital number, since it uses as much as digits as its factorization.

20012020003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 20012020003 its reverse (30002021002), we get a palindrome (50014041005).

Subtracting 20012020003 from its reverse (30002021002), we obtain a palindrome (9990000999).

The spelling of 20012020003 in words is "twenty billion, twelve million, twenty thousand, three".