200421442110553 has 8 divisors (see below), whose sum is σ = 211009101959520. Its totient is φ = 189837698551200.

The previous prime is 200421442110511. The next prime is 200421442110577. The reversal of 200421442110553 is 355011244124002.

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 200421442110553 - 2⁹ = 200421442110041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200421442110583) 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, 978967348 + ... + 979172053.

It is an arithmetic number, because the mean of its divisors is an integer number (26376137744940).

Almost surely, 2^{200421442110553} is an apocalyptic number.

It is an amenable number.

200421442110553 is a deficient number, since it is larger than the sum of its proper divisors (10587659848967).

200421442110553 is a wasteful number, since it uses less digits than its factorization.

200421442110553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1958144807.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 200421442110553 its reverse (355011244124002), we get a palindrome (555432686234555).

The spelling of 200421442110553 in words is "two hundred trillion, four hundred twenty-one billion, four hundred forty-two million, one hundred ten thousand, five hundred fifty-three".