63013783220 has 18 divisors (see below), whose sum is σ = 132331302306. Its totient is φ = 25205064240.

The previous prime is 63013783213. The next prime is 63013783241. The reversal of 63013783220 is 2238731036.

It can be written as a sum of positive squares in only one way, i.e., 50411026576 + 12602756644 = 224524^2 + 112262^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1094555 + ... + 1150685.

It is an arithmetic number, because the mean of its divisors is an integer number (7351739017).

Almost surely, 2^63013783220 is an apocalyptic number.

It is an amenable number.

63013783220 is an abundant number, since it is smaller than the sum of its proper divisors (69317519086).

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

63013783220 is an frugal number, since it uses more digits than its factorization.

63013783220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112271 (or 56138 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 63013783220 in words is "sixty-three billion, thirteen million, seven hundred eighty-three thousand, two hundred twenty".