20010212603 has 2 divisors, whose sum is σ = 20010212604. Its totient is φ = 20010212602.

The previous prime is 20010212591. The next prime is 20010212611. The reversal of 20010212603 is 30621201002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010212603 - 2⁴ = 20010212587 is a prime.

It is not a weakly prime, because it can be changed into another prime (20010212623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005106301 + 10005106302.

It is an arithmetic number, because the mean of its divisors is an integer number (10005106302).

Almost surely, 2^20010212603 is an apocalyptic number.

20010212603 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010212603 is an equidigital number, since it uses as much as digits as its factorization.

20010212603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20010212603 its reverse (30621201002), we get a palindrome (50631413605).

The spelling of 20010212603 in words is "twenty billion, ten million, two hundred twelve thousand, six hundred three".