20220042446 has 8 divisors (see below), whose sum is σ = 30405700944. Its totient is φ = 10084808800.

The previous prime is 20220042419. The next prime is 20220042457. The reversal of 20220042446 is 64424002202.

It is a happy number.

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

It is a congruent number.

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, 12605210 + ... + 12606813.

It is an arithmetic number, because the mean of its divisors is an integer number (3800712618).

Almost surely, 2^20220042446 is an apocalyptic number.

20220042446 is a deficient number, since it is larger than the sum of its proper divisors (10185658498).

20220042446 is a wasteful number, since it uses less digits than its factorization.

20220042446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25212426.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20220042446 its reverse (64424002202), we get a palindrome (84644044648).

The spelling of 20220042446 in words is "twenty billion, two hundred twenty million, forty-two thousand, four hundred forty-six".