203122244442 has 32 divisors (see below), whose sum is σ = 437511388608. Its totient is φ = 62496677376.

The previous prime is 203122244387. The next prime is 203122244443. The reversal of 203122244442 is 244442221302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (203122244443) 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, 3418378 + ... + 3477290.

It is an arithmetic number, because the mean of its divisors is an integer number (13672230894).

Almost surely, 2^203122244442 is an apocalyptic number.

203122244442 is an abundant number, since it is smaller than the sum of its proper divisors (234389144166).

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

203122244442 is a wasteful number, since it uses less digits than its factorization.

203122244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103134.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 203122244442 its reverse (244442221302), we get a palindrome (447564465744).

The spelling of 203122244442 in words is "two hundred three billion, one hundred twenty-two million, two hundred forty-four thousand, four hundred forty-two".