4242020202403 has 2 divisors, whose sum is σ = 4242020202404. Its totient is φ = 4242020202402.

The previous prime is 4242020202361. The next prime is 4242020202493. The reversal of 4242020202403 is 3042020202424.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4242020202403 is a prime.

It is not a weakly prime, because it can be changed into another prime (4242020202493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121010101201 + 2121010101202.

It is an arithmetic number, because the mean of its divisors is an integer number (2121010101202).

Almost surely, 2^{4242020202403} is an apocalyptic number.

4242020202403 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242020202403 is an equidigital number, since it uses as much as digits as its factorization.

4242020202403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 4242020202403 its reverse (3042020202424), we get a palindrome (7284040404827).

The spelling of 4242020202403 in words is "four trillion, two hundred forty-two billion, twenty million, two hundred two thousand, four hundred three".