6371051220 has 96 divisors (see below), whose sum is σ = 19858204800. Its totient is φ = 1695762432.

The previous prime is 6371051179. The next prime is 6371051233. The reversal of 6371051220 is 221501736.

It is a happy number.

6371051220 is a `hidden beast` number, since 63 + 71 + 0 + 512 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent 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, 284596 + ... + 306164.

It is an arithmetic number, because the mean of its divisors is an integer number (206856300).

Almost surely, 2^6371051220 is an apocalyptic number.

6371051220 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6371051220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9929102400).

6371051220 is an abundant number, since it is smaller than the sum of its proper divisors (13487153580).

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

6371051220 is a wasteful number, since it uses less digits than its factorization.

6371051220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22134 (or 22126 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 6371051220 is about 79818.8650633420. The cubic root of 6371051220 is about 1853.8319618128.

Adding to 6371051220 its reverse (221501736), we get a palindrome (6592552956).

The spelling of 6371051220 in words is "six billion, three hundred seventy-one million, fifty-one thousand, two hundred twenty".