200320203042 has 48 divisors (see below), whose sum is σ = 435972516408. Its totient is φ = 66474293760.

The previous prime is 200320203037. The next prime is 200320203049. The reversal of 200320203042 is 240302023002.

200320203042 is a `hidden beast` number, since 20 + 0 + 320 + 20 + 304 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 195761117601 + 4559085441 = 442449^2 + 67521^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (200320203049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17923368 + ... + 17934540.

Almost surely, 2^200320203042 is an apocalyptic number.

200320203042 is an abundant number, since it is smaller than the sum of its proper divisors (235652313366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200320203042 is a wasteful number, since it uses less digits than its factorization.

200320203042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555 (or 15552 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 200320203042 its reverse (240302023002), we get a palindrome (440622226044).

The spelling of 200320203042 in words is "two hundred billion, three hundred twenty million, two hundred three thousand, forty-two".