20944848404 has 12 divisors (see below), whose sum is σ = 36661927764. Its totient is φ = 10470011904.

The previous prime is 20944848403. The next prime is 20944848413. The reversal of 20944848404 is 40484844902.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19538448400 + 1406400004 = 139780^2 + 37502^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20944848403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583469 + ... + 618324.

It is an arithmetic number, because the mean of its divisors is an integer number (3055160647).

Almost surely, 2^20944848404 is an apocalyptic number.

It is an amenable number.

20944848404 is a deficient number, since it is larger than the sum of its proper divisors (15717079360).

20944848404 is a wasteful number, since it uses less digits than its factorization.

20944848404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206154 (or 1206152 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 47.

The spelling of 20944848404 in words is "twenty billion, nine hundred forty-four million, eight hundred forty-eight thousand, four hundred four".