200320103405 has 4 divisors (see below), whose sum is σ = 240384124092. Its totient is φ = 160256082720.

The previous prime is 200320103303. The next prime is 200320103447. The reversal of 200320103405 is 504301023002.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 49219197316 + 151100906089 = 221854^2 + 388717^2 .

It is not a de Polignac number, because 200320103405 - 2²⁶ = 200252994541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20032010336 + ... + 20032010345.

It is an arithmetic number, because the mean of its divisors is an integer number (60096031023).

Almost surely, 2^200320103405 is an apocalyptic number.

It is an amenable number.

200320103405 is a deficient number, since it is larger than the sum of its proper divisors (40064020687).

200320103405 is an equidigital number, since it uses as much as digits as its factorization.

200320103405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40064020686.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 200320103405 its reverse (504301023002), we get a palindrome (704621126407).

The spelling of 200320103405 in words is "two hundred billion, three hundred twenty million, one hundred three thousand, four hundred five".