4201427720 has 64 divisors (see below), whose sum is σ = 10823068800. Its totient is φ = 1437903360.

The previous prime is 4201427689. The next prime is 4201427723. The reversal of 4201427720 is 277241024.

4201427720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4201427723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146135 + ... + 172505.

It is an arithmetic number, because the mean of its divisors is an integer number (169110450).

Almost surely, 2^4201427720 is an apocalyptic number.

4201427720 is a gapful number since it is divisible by the number (40) 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 4201427720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5411534400).

4201427720 is an abundant number, since it is smaller than the sum of its proper divisors (6621641080).

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

4201427720 is a wasteful number, since it uses less digits than its factorization.

4201427720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26958 (or 26954 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 4201427720 is about 64818.4211470782. The cubic root of 4201427720 is about 1613.6114447056.

Adding to 4201427720 its reverse (277241024), we get a palindrome (4478668744).

The spelling of 4201427720 in words is "four billion, two hundred one million, four hundred twenty-seven thousand, seven hundred twenty".