620032401 has 20 divisors (see below), whose sum is σ = 929551524. Its totient is φ = 411868800.

The previous prime is 620032363. The next prime is 620032403. The reversal of 620032401 is 104230026.

It is a happy number.

620032401 is a `hidden beast` number, since 620 + 0 + 3 + 2 + 40 + 1 = 666.

620032401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 556016400 + 64016001 = 23580^2 + 8001^2 .

It is not a de Polignac number, because 620032401 - 2⁶ = 620032337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (620032403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9141 + ... + 36381.

Almost surely, 2^620032401 is an apocalyptic number.

It is an amenable number.

620032401 is a deficient number, since it is larger than the sum of its proper divisors (309519123).

620032401 is a wasteful number, since it uses less digits than its factorization.

620032401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27534 (or 27525 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 620032401 is about 24900.4498152142. The cubic root of 620032401 is about 852.7167520448.

Adding to 620032401 its reverse (104230026), we get a palindrome (724262427).

The spelling of 620032401 in words is "six hundred twenty million, thirty-two thousand, four hundred one".