513422120 has 32 divisors (see below), whose sum is σ = 1161669600. Its totient is φ = 204218688.

The previous prime is 513422113. The next prime is 513422149. The reversal of 513422120 is 21224315.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 513422092 and 513422101.

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, 28694 + ... + 43013.

It is an arithmetic number, because the mean of its divisors is an integer number (36302175).

Almost surely, 2^513422120 is an apocalyptic number.

It is an amenable number.

513422120 is an abundant number, since it is smaller than the sum of its proper divisors (648247480).

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

513422120 is a wasteful number, since it uses less digits than its factorization.

513422120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71897 (or 71893 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 513422120 is about 22658.8199163151. The cubic root of 513422120 is about 800.7400027838.

Adding to 513422120 its reverse (21224315), we get a palindrome (534646435).

The spelling of 513422120 in words is "five hundred thirteen million, four hundred twenty-two thousand, one hundred twenty".