20442102422 has 32 divisors (see below), whose sum is σ = 35272661760. Its totient is φ = 8703787680.

The previous prime is 20442102409. The next prime is 20442102427. The reversal of 20442102422 is 22420124402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20442102427) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1728104 + ... + 1739892.

It is an arithmetic number, because the mean of its divisors is an integer number (1102270680).

Almost surely, 2^20442102422 is an apocalyptic number.

20442102422 is a deficient number, since it is larger than the sum of its proper divisors (14830559338).

20442102422 is a wasteful number, since it uses less digits than its factorization.

20442102422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12596.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20442102422 its reverse (22420124402), we get a palindrome (42862226824).

The spelling of 20442102422 in words is "twenty billion, four hundred forty-two million, one hundred two thousand, four hundred twenty-two".