202011312422 has 32 divisors (see below), whose sum is σ = 324612489600. Its totient is φ = 94008282048.

The previous prime is 202011312389. The next prime is 202011312427. The reversal of 202011312422 is 224213110202.

It is a junction number, because it is equal to n+sod(n) for n = 202011312394 and 202011312403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202011312427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385658 + ... + 743474.

It is an arithmetic number, because the mean of its divisors is an integer number (10144140300).

Almost surely, 2^202011312422 is an apocalyptic number.

202011312422 is a deficient number, since it is larger than the sum of its proper divisors (122601177178).

202011312422 is a wasteful number, since it uses less digits than its factorization.

202011312422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358100.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 202011312422 its reverse (224213110202), we get a palindrome (426224422624).

The spelling of 202011312422 in words is "two hundred two billion, eleven million, three hundred twelve thousand, four hundred twenty-two".