63009220 has 48 divisors (see below), whose sum is σ = 135757440. Its totient is φ = 24558336.

The previous prime is 63009217. The next prime is 63009223. The reversal of 63009220 is 2290036.

It is an interprime number because it is at equal distance from previous prime (63009217) and next prime (63009223).

It is a junction number, because it is equal to n+sod(n) for n = 63009191 and 63009200.

It is not an unprimeable number, because it can be changed into a prime (63009223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150171 + ... + 150589.

It is an arithmetic number, because the mean of its divisors is an integer number (2828280).

Almost surely, 2^63009220 is an apocalyptic number.

It is an amenable number.

63009220 is an abundant number, since it is smaller than the sum of its proper divisors (72748220).

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

63009220 is a wasteful number, since it uses less digits than its factorization.

63009220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 63009220 is about 7937.8347173521. The cubic root of 63009220 is about 397.9251309049.

Adding to 63009220 its reverse (2290036), we get a palindrome (65299256).

The spelling of 63009220 in words is "sixty-three million, nine thousand, two hundred twenty".