202243050042 has 32 divisors (see below), whose sum is σ = 441281373120. Its totient is φ = 61282465920.

The previous prime is 202243049993. The next prime is 202243050049. The reversal of 202243050042 is 240050342202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202243049994 and 202243050021.

It is not an unprimeable number, because it can be changed into a prime (202243050049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331718 + ... + 1475790.

It is an arithmetic number, because the mean of its divisors is an integer number (13790042910).

Almost surely, 2^202243050042 is an apocalyptic number.

202243050042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202243050042 is an abundant number, since it is smaller than the sum of its proper divisors (239038323078).

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

202243050042 is a wasteful number, since it uses less digits than its factorization.

202243050042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165358.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 202243050042 its reverse (240050342202), we get a palindrome (442293392244).

The spelling of 202243050042 in words is "two hundred two billion, two hundred forty-three million, fifty thousand, forty-two".