20202042322 has 24 divisors (see below), whose sum is σ = 38455095600. Its totient is φ = 7870925160.

The previous prime is 20202042317. The next prime is 20202042337. The reversal of 20202042322 is 22324020202.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202042322.

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, 9369072 + ... + 9371227.

It is an arithmetic number, because the mean of its divisors is an integer number (1602295650).

Almost surely, 2^20202042322 is an apocalyptic number.

20202042322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20202042322 is a deficient number, since it is larger than the sum of its proper divisors (18253053278).

20202042322 is a wasteful number, since it uses less digits than its factorization.

20202042322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18740326 (or 18740319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 20202042322 its reverse (22324020202), we get a palindrome (42526062524).

The spelling of 20202042322 in words is "twenty billion, two hundred two million, forty-two thousand, three hundred twenty-two".