6331501032220 has 288 divisors, whose sum is σ = 16746882340608. Its totient is φ = 1992998504448.

The previous prime is 6331501032191. The next prime is 6331501032251. The reversal of 6331501032220 is 222301051336.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2288217277 + ... + 2288220043.

It is an arithmetic number, because the mean of its divisors is an integer number (58148897016).

Almost surely, 2^{6331501032220} 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 6331501032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8373441170304).

6331501032220 is an abundant number, since it is smaller than the sum of its proper divisors (10415381308388).

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

6331501032220 is a wasteful number, since it uses less digits than its factorization.

6331501032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 6331501032220 its reverse (222301051336), we get a palindrome (6553802083556).

The spelling of 6331501032220 in words is "six trillion, three hundred thirty-one billion, five hundred one million, thirty-two thousand, two hundred twenty".