4201220502 has 48 divisors (see below), whose sum is σ = 9405601920. Its totient is φ = 1353888000.

The previous prime is 4201220423. The next prime is 4201220531. The reversal of 4201220502 is 2050221024.

4201220502 is a `hidden beast` number, since 42 + 0 + 122 + 0 + 502 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667024 + ... + 673292.

It is an arithmetic number, because the mean of its divisors is an integer number (195950040).

Almost surely, 2^4201220502 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4201220502, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4702800960).

4201220502 is an abundant number, since it is smaller than the sum of its proper divisors (5204381418).

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

4201220502 is a wasteful number, since it uses less digits than its factorization.

4201220502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7509 (or 7506 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4201220502 is about 64816.8226774500. The cubic root of 4201220502 is about 1613.5849160383.

Adding to 4201220502 its reverse (2050221024), we get a palindrome (6251441526).

The spelling of 4201220502 in words is "four billion, two hundred one million, two hundred twenty thousand, five hundred two".