20044134420 has 24 divisors (see below), whose sum is σ = 56123576544. Its totient is φ = 5345102496.

The previous prime is 20044134401. The next prime is 20044134443. The reversal of 20044134420 is 2443144002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167034394 + ... + 167034513.

It is an arithmetic number, because the mean of its divisors is an integer number (2338482356).

Almost surely, 2^20044134420 is an apocalyptic number.

20044134420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20044134420 is an abundant number, since it is smaller than the sum of its proper divisors (36079442124).

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

20044134420 is a wasteful number, since it uses less digits than its factorization.

20044134420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334068919 (or 334068917 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20044134420 its reverse (2443144002), we get a palindrome (22487278422).

The spelling of 20044134420 in words is "twenty billion, forty-four million, one hundred thirty-four thousand, four hundred twenty".