20404211244 has 12 divisors (see below), whose sum is σ = 47609826264. Its totient is φ = 6801403744.

The previous prime is 20404211227. The next prime is 20404211281. The reversal of 20404211244 is 44211240402.

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

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, 850175457 + ... + 850175480.

It is an arithmetic number, because the mean of its divisors is an integer number (3967485522).

Almost surely, 2^20404211244 is an apocalyptic number.

It is an amenable number.

20404211244 is an abundant number, since it is smaller than the sum of its proper divisors (27205615020).

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

20404211244 is a wasteful number, since it uses less digits than its factorization.

20404211244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700350944 (or 1700350942 counting only the distinct ones).

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

Adding to 20404211244 its reverse (44211240402), we get a palindrome (64615451646).

The spelling of 20404211244 in words is "twenty billion, four hundred four million, two hundred eleven thousand, two hundred forty-four".