20202112442 has 8 divisors (see below), whose sum is σ = 30597374496. Its totient is φ = 10002987612.

The previous prime is 20202112417. The next prime is 20202112451. The reversal of 20202112442 is 24421120202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20202112442² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 49034048 + ... + 49034459.

It is an arithmetic number, because the mean of its divisors is an integer number (3824671812).

Almost surely, 2^20202112442 is an apocalyptic number.

20202112442 is a deficient number, since it is larger than the sum of its proper divisors (10395262054).

20202112442 is a wasteful number, since it uses less digits than its factorization.

20202112442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98068612.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20202112442 its reverse (24421120202), we get a palindrome (44623232644).

The spelling of 20202112442 in words is "twenty billion, two hundred two million, one hundred twelve thousand, four hundred forty-two".