20122344431242 has 8 divisors (see below), whose sum is σ = 30237128578656. Its totient is φ = 10043301571692.

The previous prime is 20122344431239. The next prime is 20122344431251. The reversal of 20122344431242 is 24213444322102.

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

It is a junction number, because it is equal to n+sod(n) for n = 20122344431198 and 20122344431207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8935320558 + ... + 8935322809.

It is an arithmetic number, because the mean of its divisors is an integer number (3779641072332).

Almost surely, 2^{20122344431242} is an apocalyptic number.

20122344431242 is a deficient number, since it is larger than the sum of its proper divisors (10114784147414).

20122344431242 is a wasteful number, since it uses less digits than its factorization.

20122344431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17870643932.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 20122344431242 its reverse (24213444322102), we get a palindrome (44335788753344).

The spelling of 20122344431242 in words is "twenty trillion, one hundred twenty-two billion, three hundred forty-four million, four hundred thirty-one thousand, two hundred forty-two".