63220120 has 16 divisors (see below), whose sum is σ = 142245360. Its totient is φ = 25288032.

The previous prime is 63220099. The next prime is 63220121. The reversal of 63220120 is 2102236.

It is a junction number, because it is equal to n+sod(n) for n = 63220094 and 63220103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63220121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790212 + ... + 790291.

It is an arithmetic number, because the mean of its divisors is an integer number (8890335).

Almost surely, 2^63220120 is an apocalyptic number.

It is an amenable number.

63220120 is an abundant number, since it is smaller than the sum of its proper divisors (79025240).

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

63220120 is a wasteful number, since it uses less digits than its factorization.

63220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580514 (or 1580510 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 63220120 is about 7951.1080988753. The cubic root of 63220120 is about 398.3686054249.

Adding to 63220120 its reverse (2102236), we get a palindrome (65322356).

The spelling of 63220120 in words is "sixty-three million, two hundred twenty thousand, one hundred twenty".