420401110203 has 56 divisors (see below), whose sum is σ = 655468427520. Its totient is φ = 269183658240.

The previous prime is 420401110201. The next prime is 420401110229. The reversal of 420401110203 is 302011104024.

420401110203 is a `hidden beast` number, since 420 + 40 + 1 + 1 + 1 + 0 + 203 = 666.

It is not a de Polignac number, because 420401110203 - 2¹ = 420401110201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420401110201) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3985875 + ... + 4089987.

Almost surely, 2^420401110203 is an apocalyptic number.

420401110203 is a deficient number, since it is larger than the sum of its proper divisors (235067317317).

420401110203 is a wasteful number, since it uses less digits than its factorization.

420401110203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104351 (or 104336 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 420401110203 its reverse (302011104024), we get a palindrome (722412214227).

The spelling of 420401110203 in words is "four hundred twenty billion, four hundred one million, one hundred ten thousand, two hundred three".