420103433 has 4 divisors (see below), whose sum is σ = 442214160. Its totient is φ = 397992708.

The previous prime is 420103417. The next prime is 420103447. The reversal of 420103433 is 334301024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 420103433 - 2⁴ = 420103417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420103633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11055335 + ... + 11055372.

It is an arithmetic number, because the mean of its divisors is an integer number (110553540).

Almost surely, 2^420103433 is an apocalyptic number.

It is an amenable number.

420103433 is a deficient number, since it is larger than the sum of its proper divisors (22110727).

420103433 is a wasteful number, since it uses less digits than its factorization.

420103433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22110726.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 420103433 is about 20496.4248833791. The cubic root of 420103433 is about 748.9487095917.

Adding to 420103433 its reverse (334301024), we get a palindrome (754404457).

The spelling of 420103433 in words is "four hundred twenty million, one hundred three thousand, four hundred thirty-three".