200421432321 has 8 divisors (see below), whose sum is σ = 291522083424. Its totient is φ = 121467534720.

The previous prime is 200421432319. The next prime is 200421432371. The reversal of 200421432321 is 123234124002.

It is a happy number.

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

It is not a de Polignac number, because 200421432321 - 2¹ = 200421432319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200421432291 and 200421432300.

It is not an unprimeable number, because it can be changed into a prime (200421432371) 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, 3036688336 + ... + 3036688401.

It is an arithmetic number, because the mean of its divisors is an integer number (36440260428).

Almost surely, 2^200421432321 is an apocalyptic number.

It is an amenable number.

200421432321 is a deficient number, since it is larger than the sum of its proper divisors (91100651103).

200421432321 is a wasteful number, since it uses less digits than its factorization.

200421432321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073376751.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 200421432321 its reverse (123234124002), we get a palindrome (323655556323).

The spelling of 200421432321 in words is "two hundred billion, four hundred twenty-one million, four hundred thirty-two thousand, three hundred twenty-one".