545230020 has 48 divisors (see below), whose sum is σ = 1543812480. Its totient is φ = 143759616.

The previous prime is 545230003. The next prime is 545230051. The reversal of 545230020 is 20032545.

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, 45712 + ... + 56391.

It is an arithmetic number, because the mean of its divisors is an integer number (32162760).

Almost surely, 2^545230020 is an apocalyptic number.

It is an amenable number.

545230020 is an abundant number, since it is smaller than the sum of its proper divisors (998582460).

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

545230020 is a wasteful number, since it uses less digits than its factorization.

545230020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102204 (or 102202 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 545230020 is about 23350.1610272820. The cubic root of 545230020 is about 816.9458167373.

Adding to 545230020 its reverse (20032545), we get a palindrome (565262565).

The spelling of 545230020 in words is "five hundred forty-five million, two hundred thirty thousand, twenty".