202133120442 has 32 divisors (see below), whose sum is σ = 441113209344. Its totient is φ = 61239198000.

The previous prime is 202133120407. The next prime is 202133120461. The reversal of 202133120442 is 244021331202.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22278 + ... + 636209.

It is an arithmetic number, because the mean of its divisors is an integer number (13784787792).

Almost surely, 2^202133120442 is an apocalyptic number.

202133120442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202133120442 is an abundant number, since it is smaller than the sum of its proper divisors (238980088902).

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

202133120442 is a wasteful number, since it uses less digits than its factorization.

202133120442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663154.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 202133120442 its reverse (244021331202), we get a palindrome (446154451644).

The spelling of 202133120442 in words is "two hundred two billion, one hundred thirty-three million, one hundred twenty thousand, four hundred forty-two".