5144120020 has 72 divisors (see below), whose sum is σ = 11776181760. Its totient is φ = 1886601600.

The previous prime is 5144120017. The next prime is 5144120077. The reversal of 5144120020 is 200214415.

It is a self number, because there is not a number n which added to its sum of digits gives 5144120020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505341 + ... + 515419.

It is an arithmetic number, because the mean of its divisors is an integer number (163558080).

Almost surely, 2^5144120020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5144120020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5888090880).

5144120020 is an abundant number, since it is smaller than the sum of its proper divisors (6632061740).

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

5144120020 is a wasteful number, since it uses less digits than its factorization.

5144120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10265 (or 10250 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 5144120020 is about 71722.5210097916. The cubic root of 5144120020 is about 1726.2500238662.

Adding to 5144120020 its reverse (200214415), we get a palindrome (5344334435).

It can be divided in two parts, 5 and 144120020, that added together give a square (144120025 = 12005²).

The spelling of 5144120020 in words is "five billion, one hundred forty-four million, one hundred twenty thousand, twenty".