420739203 has 8 divisors (see below), whose sum is σ = 561657600. Its totient is φ = 280156808.

The previous prime is 420739199. The next prime is 420739217. The reversal of 420739203 is 302937024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420739203 - 2² = 420739199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420739903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81063 + ... + 86096.

It is an arithmetic number, because the mean of its divisors is an integer number (70207200).

Almost surely, 2^420739203 is an apocalyptic number.

420739203 is a deficient number, since it is larger than the sum of its proper divisors (140918397).

420739203 is a wasteful number, since it uses less digits than its factorization.

420739203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168001.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 420739203 is about 20511.9283101321. The cubic root of 420739203 is about 749.3263301843.

The spelling of 420739203 in words is "four hundred twenty million, seven hundred thirty-nine thousand, two hundred three".