6423525220 has 24 divisors (see below), whose sum is σ = 15416460864. Its totient is φ = 2202351456.

The previous prime is 6423525211. The next prime is 6423525257. The reversal of 6423525220 is 225253246.

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, 22941022 + ... + 22941301.

It is an arithmetic number, because the mean of its divisors is an integer number (642352536).

Almost surely, 2^6423525220 is an apocalyptic number.

It is an amenable number.

6423525220 is an abundant number, since it is smaller than the sum of its proper divisors (8992935644).

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

6423525220 is a wasteful number, since it uses less digits than its factorization.

6423525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45882339 (or 45882337 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 6423525220 is about 80146.8977565570. The cubic root of 6423525220 is about 1858.9076350740.

Adding to 6423525220 its reverse (225253246), we get a palindrome (6648778466).

The spelling of 6423525220 in words is "six billion, four hundred twenty-three million, five hundred twenty-five thousand, two hundred twenty".