20401441044 has 12 divisors (see below), whose sum is σ = 47603362464. Its totient is φ = 6800480344.

The previous prime is 20401441003. The next prime is 20401441051. The reversal of 20401441044 is 44014410402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 850060032 + ... + 850060055.

It is an arithmetic number, because the mean of its divisors is an integer number (3966946872).

Almost surely, 2^20401441044 is an apocalyptic number.

It is an amenable number.

20401441044 is an abundant number, since it is smaller than the sum of its proper divisors (27201921420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20401441044 is a wasteful number, since it uses less digits than its factorization.

20401441044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700120094 (or 1700120092 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 20401441044 its reverse (44014410402), we get a palindrome (64415851446).

The spelling of 20401441044 in words is "twenty billion, four hundred one million, four hundred forty-one thousand, forty-four".