20144311622 has 16 divisors (see below), whose sum is σ = 30327032400. Its totient is φ = 10035355680.

The previous prime is 20144311571. The next prime is 20144311639. The reversal of 20144311622 is 22611344102.

It is a junction number, because it is equal to n+sod(n) for n = 20144311591 and 20144311600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760904 + ... + 786932.

It is an arithmetic number, because the mean of its divisors is an integer number (1895439525).

Almost surely, 2^20144311622 is an apocalyptic number.

20144311622 is a deficient number, since it is larger than the sum of its proper divisors (10182720778).

20144311622 is a wasteful number, since it uses less digits than its factorization.

20144311622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27431.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 20144311622 its reverse (22611344102), we get a palindrome (42755655724).

The spelling of 20144311622 in words is "twenty billion, one hundred forty-four million, three hundred eleven thousand, six hundred twenty-two".