20144424014 has 32 divisors (see below), whose sum is σ = 35508092256. Its totient is φ = 8450104320.

The previous prime is 20144423977. The next prime is 20144424031. The reversal of 20144424014 is 41042444102.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1783874 + ... + 1795130.

It is an arithmetic number, because the mean of its divisors is an integer number (1109627883).

Almost surely, 2^20144424014 is an apocalyptic number.

20144424014 is a deficient number, since it is larger than the sum of its proper divisors (15363668242).

20144424014 is a wasteful number, since it uses less digits than its factorization.

20144424014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17540.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 20144424014 its reverse (41042444102), we get a palindrome (61186868116).

The spelling of 20144424014 in words is "twenty billion, one hundred forty-four million, four hundred twenty-four thousand, fourteen".