545520230233320 has 64 divisors (see below), whose sum is σ = 1689352971056640. Its totient is φ = 140779414252800.

The previous prime is 545520230233301. The next prime is 545520230233337. The reversal of 545520230233320 is 23332032025545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73322607871 + ... + 73322615310.

It is an arithmetic number, because the mean of its divisors is an integer number (26396140172760).

Almost surely, 2^{545520230233320} is an apocalyptic number.

It is an amenable number.

545520230233320 is an abundant number, since it is smaller than the sum of its proper divisors (1143832740823320).

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

545520230233320 is a wasteful number, since it uses less digits than its factorization.

545520230233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146645223226 (or 146645223222 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 39.

Adding to 545520230233320 its reverse (23332032025545), we get a palindrome (568852262258865).

The spelling of 545520230233320 in words is "five hundred forty-five trillion, five hundred twenty billion, two hundred thirty million, two hundred thirty-three thousand, three hundred twenty".