203200400355 has 32 divisors (see below), whose sum is σ = 326461384704. Its totient is φ = 107927462016.

The previous prime is 203200400329. The next prime is 203200400369. The reversal of 203200400355 is 553004002302.

It is not a de Polignac number, because 203200400355 - 2¹¹ = 203200398307 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3976749 + ... + 4027521.

It is an arithmetic number, because the mean of its divisors is an integer number (10201918272).

Almost surely, 2^203200400355 is an apocalyptic number.

203200400355 is a deficient number, since it is larger than the sum of its proper divisors (123260984349).

203200400355 is a wasteful number, since it uses less digits than its factorization.

203200400355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51875.

The product of its (nonzero) digits is 3600, while the sum is 24.

Adding to 203200400355 its reverse (553004002302), we get a palindrome (756204402657).

The spelling of 203200400355 in words is "two hundred three billion, two hundred million, four hundred thousand, three hundred fifty-five".