4100051220 has 24 divisors (see below), whose sum is σ = 11480143584. Its totient is φ = 1093346976.

The previous prime is 4100051203. The next prime is 4100051261. The reversal of 4100051220 is 221500014.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 4100051220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34167034 + ... + 34167153.

It is an arithmetic number, because the mean of its divisors is an integer number (478339316).

Almost surely, 2^4100051220 is an apocalyptic number.

It is an amenable number.

4100051220 is an abundant number, since it is smaller than the sum of its proper divisors (7380092364).

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

4100051220 is a wasteful number, since it uses less digits than its factorization.

4100051220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68334199 (or 68334197 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 4100051220 is about 64031.6423340835. The cubic root of 4100051220 is about 1600.5273287878.

Adding to 4100051220 its reverse (221500014), we get a palindrome (4321551234).

The spelling of 4100051220 in words is "four billion, one hundred million, fifty-one thousand, two hundred twenty".