20014400444 has 48 divisors (see below), whose sum is σ = 35940796416. Its totient is φ = 9749510400.

The previous prime is 20014400411. The next prime is 20014400453. The reversal of 20014400444 is 44400441002.

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, 13830929 + ... + 13832375.

It is an arithmetic number, because the mean of its divisors is an integer number (748766592).

Almost surely, 2^20014400444 is an apocalyptic number.

It is an amenable number.

20014400444 is a deficient number, since it is larger than the sum of its proper divisors (15926395972).

20014400444 is a wasteful number, since it uses less digits than its factorization.

20014400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 20014400444 its reverse (44400441002), we get a palindrome (64414841446).

The spelling of 20014400444 in words is "twenty billion, fourteen million, four hundred thousand, four hundred forty-four".