63250220 has 24 divisors (see below), whose sum is σ = 144901008. Its totient is φ = 23000000.

The previous prime is 63250177. The next prime is 63250237. The reversal of 63250220 is 2205236.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 63250192 and 63250201.

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, 143531 + ... + 143970.

It is an arithmetic number, because the mean of its divisors is an integer number (6037542).

Almost surely, 2^63250220 is an apocalyptic number.

It is an amenable number.

63250220 is an abundant number, since it is smaller than the sum of its proper divisors (81650788).

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

63250220 is a wasteful number, since it uses less digits than its factorization.

63250220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287521 (or 287519 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 63250220 is about 7953.0006915629. Note that the first 3 decimals coincide. The cubic root of 63250220 is about 398.4318183837.

Adding to 63250220 its reverse (2205236), we get a palindrome (65455456).

The spelling of 63250220 in words is "sixty-three million, two hundred fifty thousand, two hundred twenty".