203242651922 has 6 divisors (see below), whose sum is σ = 304864934229. Its totient is φ = 101621007180.

The previous prime is 203242651879. The next prime is 203242651951. The reversal of 203242651922 is 229156242302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 154542548161 + 48700103761 = 393119^2 + 220681^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=318781.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 478172 + ... + 796952.

Almost surely, 2^203242651922 is an apocalyptic number.

203242651922 is a deficient number, since it is larger than the sum of its proper divisors (101622282307).

203242651922 is an frugal number, since it uses more digits than its factorization.

203242651922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637564 (or 318783 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 203242651922 in words is "two hundred three billion, two hundred forty-two million, six hundred fifty-one thousand, nine hundred twenty-two".