63120260 has 24 divisors (see below), whose sum is σ = 151488960. Its totient is φ = 21641184.

The previous prime is 63120251. The next prime is 63120287. The reversal of 63120260 is 6202136.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225290 + ... + 225569.

It is an arithmetic number, because the mean of its divisors is an integer number (6312040).

Almost surely, 2^63120260 is an apocalyptic number.

It is an amenable number.

63120260 is an abundant number, since it is smaller than the sum of its proper divisors (88368700).

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

63120260 is a wasteful number, since it uses less digits than its factorization.

63120260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450875 (or 450873 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 63120260 is about 7944.8259892838. The cubic root of 63120260 is about 398.1587457954.

Adding to 63120260 its reverse (6202136), we get a palindrome (69322396).

The spelling of 63120260 in words is "sixty-three million, one hundred twenty thousand, two hundred sixty".