20444413340134 has 16 divisors (see below), whose sum is σ = 35125622676000. Its totient is φ = 8742377193984.

The previous prime is 20444413340101. The next prime is 20444413340173. The reversal of 20444413340134 is 43104331444402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20444413340093 and 20444413340102.

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, 1626179949 + ... + 1626192520.

It is an arithmetic number, because the mean of its divisors is an integer number (2195351417250).

Almost surely, 2^{20444413340134} is an apocalyptic number.

20444413340134 is a deficient number, since it is larger than the sum of its proper divisors (14681209335866).

20444413340134 is a wasteful number, since it uses less digits than its factorization.

20444413340134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3252372927.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 20444413340134 its reverse (43104331444402), we get a palindrome (63548744784536).

The spelling of 20444413340134 in words is "twenty trillion, four hundred forty-four billion, four hundred thirteen million, three hundred forty thousand, one hundred thirty-four".