200939103642 has 16 divisors (see below), whose sum is σ = 402503220000. Its totient is φ = 66875532432.

The previous prime is 200939103623. The next prime is 200939103649. The reversal of 200939103642 is 246301939002.

It is a self number, because there is not a number n which added to its sum of digits gives 200939103642.

It is not an unprimeable number, because it can be changed into a prime (200939103649) 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, 26038017 + ... + 26045732.

It is an arithmetic number, because the mean of its divisors is an integer number (25156451250).

Almost surely, 2^200939103642 is an apocalyptic number.

200939103642 is an abundant number, since it is smaller than the sum of its proper divisors (201564116358).

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

200939103642 is a wasteful number, since it uses less digits than its factorization.

200939103642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52084397.

The product of its (nonzero) digits is 69984, while the sum is 39.

The spelling of 200939103642 in words is "two hundred billion, nine hundred thirty-nine million, one hundred three thousand, six hundred forty-two".