20144047404 has 48 divisors (see below), whose sum is σ = 52819183872. Its totient is φ = 5928681792.

The previous prime is 20144047403. The next prime is 20144047421. The reversal of 20144047404 is 40474044102.

It is not an unprimeable number, because it can be changed into a prime (20144047403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2803554 + ... + 2810729.

It is an arithmetic number, because the mean of its divisors is an integer number (1100399664).

Almost surely, 2^20144047404 is an apocalyptic number.

It is an amenable number.

20144047404 is an abundant number, since it is smaller than the sum of its proper divisors (32675136468).

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

20144047404 is a wasteful number, since it uses less digits than its factorization.

20144047404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5614326 (or 5614324 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 30.

The spelling of 20144047404 in words is "twenty billion, one hundred forty-four million, forty-seven thousand, four hundred four".