5345120020 has 12 divisors (see below), whose sum is σ = 11224752084. Its totient is φ = 2138048000.

The previous prime is 5345120017. The next prime is 5345120047. The reversal of 5345120020 is 200215435.

It can be written as a sum of positive squares in 2 ways, for example, as 3251508484 + 2093611536 = 57022^2 + 45756^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5345119973 and 5345120000.

It is a congruent number.

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, 133627981 + ... + 133628020.

It is an arithmetic number, because the mean of its divisors is an integer number (935396007).

Almost surely, 2^5345120020 is an apocalyptic number.

It is an amenable number.

5345120020 is an abundant number, since it is smaller than the sum of its proper divisors (5879632064).

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

5345120020 is a wasteful number, since it uses less digits than its factorization.

5345120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267256010 (or 267256008 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 5345120020 is about 73110.3277246108. The cubic root of 5345120020 is about 1748.4470598884.

Adding to 5345120020 its reverse (200215435), we get a palindrome (5545335455).

The spelling of 5345120020 in words is "five billion, three hundred forty-five million, one hundred twenty thousand, twenty".