20444120102 has 8 divisors (see below), whose sum is σ = 35047063056. Its totient is φ = 8761765752.

The previous prime is 20444119999. The next prime is 20444120129. The reversal of 20444120102 is 20102144402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730147133 + ... + 730147160.

It is an arithmetic number, because the mean of its divisors is an integer number (4380882882).

Almost surely, 2^20444120102 is an apocalyptic number.

20444120102 is a deficient number, since it is larger than the sum of its proper divisors (14602942954).

20444120102 is a wasteful number, since it uses less digits than its factorization.

20444120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460294302.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20444120102 its reverse (20102144402), we get a palindrome (40546264504).

The spelling of 20444120102 in words is "twenty billion, four hundred forty-four million, one hundred twenty thousand, one hundred two".