4420120401 has 16 divisors (see below), whose sum is σ = 6553497600. Its totient is φ = 2944419984.

The previous prime is 4420120373. The next prime is 4420120403. The reversal of 4420120401 is 1040210244.

4420120401 is a `hidden beast` number, since 44 + 201 + 20 + 401 = 666.

It is not a de Polignac number, because 4420120401 - 2⁷ = 4420120273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4420120403) 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, 29466 + ... + 98531.

It is an arithmetic number, because the mean of its divisors is an integer number (409593600).

Almost surely, 2^4420120401 is an apocalyptic number.

It is an amenable number.

4420120401 is a deficient number, since it is larger than the sum of its proper divisors (2133377199).

4420120401 is a wasteful number, since it uses less digits than its factorization.

4420120401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129285 (or 129279 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4420120401 is about 66483.9860492735. The cubic root of 4420120401 is about 1641.1364818690.

Adding to 4420120401 its reverse (1040210244), we get a palindrome (5460330645).

The spelling of 4420120401 in words is "four billion, four hundred twenty million, one hundred twenty thousand, four hundred one".