201273785203 has 4 divisors (see below), whose sum is σ = 202385795248. Its totient is φ = 200161775160.

The previous prime is 201273785201. The next prime is 201273785257. The reversal of 201273785203 is 302587372102.

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

It is a cyclic number.

It is not a de Polignac number, because 201273785203 - 2¹ = 201273785201 is a prime.

It is a super-2 number, since 2×201273785203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201273785201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556004751 + ... + 556005112.

It is an arithmetic number, because the mean of its divisors is an integer number (50596448812).

Almost surely, 2^201273785203 is an apocalyptic number.

201273785203 is a deficient number, since it is larger than the sum of its proper divisors (1112010045).

201273785203 is a wasteful number, since it uses less digits than its factorization.

201273785203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112010044.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 201273785203 in words is "two hundred one billion, two hundred seventy-three million, seven hundred eighty-five thousand, two hundred three".