202133434442 has 24 divisors (see below), whose sum is σ = 323584075044. Its totient is φ = 94372371072.

The previous prime is 202133434429. The next prime is 202133434457. The reversal of 202133434442 is 244434331202.

It can be written as a sum of positive squares in 2 ways, for example, as 171728188801 + 30405245641 = 414401^2 + 174371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202133434399 and 202133434408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364088 + ... + 732684.

Almost surely, 2^202133434442 is an apocalyptic number.

202133434442 is a deficient number, since it is larger than the sum of its proper divisors (121450640602).

202133434442 is a wasteful number, since it uses less digits than its factorization.

202133434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368870 (or 368743 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 202133434442 its reverse (244434331202), we get a palindrome (446567765644).

The spelling of 202133434442 in words is "two hundred two billion, one hundred thirty-three million, four hundred thirty-four thousand, four hundred forty-two".