63132237220 has 96 divisors (see below), whose sum is σ = 144598608000. Its totient is φ = 23013602304.

The previous prime is 63132237193. The next prime is 63132237281. The reversal of 63132237220 is 2273223136.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19135131 + ... + 19138429.

It is an arithmetic number, because the mean of its divisors is an integer number (1506235500).

Almost surely, 2^63132237220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63132237220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72299304000).

63132237220 is an abundant number, since it is smaller than the sum of its proper divisors (81466370780).

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

63132237220 is a wasteful number, since it uses less digits than its factorization.

63132237220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The spelling of 63132237220 in words is "sixty-three billion, one hundred thirty-two million, two hundred thirty-seven thousand, two hundred twenty".