20001112444 has 12 divisors (see below), whose sum is σ = 35004937968. Its totient is φ = 9999701600.

The previous prime is 20001112433. The next prime is 20001112531. The reversal of 20001112444 is 44421110002.

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, 159472 + ... + 255799.

It is an arithmetic number, because the mean of its divisors is an integer number (2917078164).

Almost surely, 2^20001112444 is an apocalyptic number.

It is an amenable number.

20001112444 is a deficient number, since it is larger than the sum of its proper divisors (15003825524).

20001112444 is a wasteful number, since it uses less digits than its factorization.

20001112444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427316 (or 427314 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 20001112444 its reverse (44421110002), we get a palindrome (64422222446).

The spelling of 20001112444 in words is "twenty billion, one million, one hundred twelve thousand, four hundred forty-four".