420330200243 has 4 divisors (see below), whose sum is σ = 420657816648. Its totient is φ = 420002583840.

The previous prime is 420330200237. The next prime is 420330200263. The reversal of 420330200243 is 342002033024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420330200243 - 2³⁸ = 145452293299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420330200263) 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, 163806278 + ... + 163808843.

It is an arithmetic number, because the mean of its divisors is an integer number (105164454162).

Almost surely, 2^420330200243 is an apocalyptic number.

420330200243 is a deficient number, since it is larger than the sum of its proper divisors (327616405).

420330200243 is a wasteful number, since it uses less digits than its factorization.

420330200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327616404.

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 420330200243 its reverse (342002033024), we get a palindrome (762332233267).

The spelling of 420330200243 in words is "four hundred twenty billion, three hundred thirty million, two hundred thousand, two hundred forty-three".