513022433420 has 72 divisors (see below), whose sum is σ = 1261651885200. Its totient is φ = 174712863360.

The previous prime is 513022433377. The next prime is 513022433437. The reversal of 513022433420 is 24334220315.

It is a happy 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, 1610666 + ... + 1902705.

It is an arithmetic number, because the mean of its divisors is an integer number (17522942850).

Almost surely, 2^513022433420 is an apocalyptic number.

It is an amenable number.

513022433420 is an abundant number, since it is smaller than the sum of its proper divisors (748629451780).

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

513022433420 is a wasteful number, since it uses less digits than its factorization.

513022433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3513543 (or 3513534 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 513022433420 its reverse (24334220315), we get a palindrome (537356653735).

The spelling of 513022433420 in words is "five hundred thirteen billion, twenty-two million, four hundred thirty-three thousand, four hundred twenty".