20422432334 has 16 divisors (see below), whose sum is σ = 30681763200. Its totient is φ = 10195192824.

The previous prime is 20422432319. The next prime is 20422432337. The reversal of 20422432334 is 43323422402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20422432297 and 20422432306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20422432337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4838477 + ... + 4842695.

It is an arithmetic number, because the mean of its divisors is an integer number (1917610200).

Almost surely, 2^20422432334 is an apocalyptic number.

20422432334 is a deficient number, since it is larger than the sum of its proper divisors (10259330866).

20422432334 is a wasteful number, since it uses less digits than its factorization.

20422432334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7447.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20422432334 its reverse (43323422402), we get a palindrome (63745854736).

The spelling of 20422432334 in words is "twenty billion, four hundred twenty-two million, four hundred thirty-two thousand, three hundred thirty-four".