63064535220 has 36 divisors (see below), whose sum is σ = 191295757380. Its totient is φ = 16817209344.

The previous prime is 63064535213. The next prime is 63064535227. The reversal of 63064535220 is 2253546036.

63064535220 is a `hidden beast` number, since 6 + 3 + 0 + 645 + 3 + 5 + 2 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (63064535213) and next prime (63064535227).

It can be written as a sum of positive squares in 2 ways, for example, as 17149473936 + 45915061284 = 130956^2 + 214278^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63064535227) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 175179085 + ... + 175179444.

Almost surely, 2^63064535220 is an apocalyptic number.

63064535220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63064535220 is an abundant number, since it is smaller than the sum of its proper divisors (128231222160).

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

63064535220 is a wasteful number, since it uses less digits than its factorization.

63064535220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350358544 (or 350358539 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 63064535220 in words is "sixty-three billion, sixty-four million, five hundred thirty-five thousand, two hundred twenty".