420143104 has 28 divisors (see below), whose sum is σ = 840251304. Its totient is φ = 210067456.

The previous prime is 420143081. The next prime is 420143107. The reversal of 420143104 is 401341024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420143107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17452 + ... + 33835.

Almost surely, 2^420143104 is an apocalyptic number.

It is an amenable number.

420143104 is a deficient number, since it is larger than the sum of its proper divisors (420108200).

420143104 is an frugal number, since it uses more digits than its factorization.

420143104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51313 (or 51289 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420143104 is about 20497.3926146718. The cubic root of 420143104 is about 748.9722836346.

Adding to 420143104 its reverse (401341024), we get a palindrome (821484128).

The spelling of 420143104 in words is "four hundred twenty million, one hundred forty-three thousand, one hundred four".