420200443 has 8 divisors (see below), whose sum is σ = 467121536. Its totient is φ = 375364800.

The previous prime is 420200423. The next prime is 420200467. The reversal of 420200443 is 344002024.

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 420200443 - 2¹³ = 420192251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420200443.

It is not an unprimeable number, because it can be changed into a prime (420200423) 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, 520938 + ... + 521743.

It is an arithmetic number, because the mean of its divisors is an integer number (58390192).

Almost surely, 2^420200443 is an apocalyptic number.

420200443 is a deficient number, since it is larger than the sum of its proper divisors (46921093).

420200443 is a wasteful number, since it uses less digits than its factorization.

420200443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042725.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 420200443 is about 20498.7912570473. The cubic root of 420200443 is about 749.0063540643.

Adding to 420200443 its reverse (344002024), we get a palindrome (764202467).

The spelling of 420200443 in words is "four hundred twenty million, two hundred thousand, four hundred forty-three".