620040603 has 32 divisors (see below), whose sum is σ = 1018941952. Its totient is φ = 326592000.

The previous prime is 620040599. The next prime is 620040613. The reversal of 620040603 is 306040026.

620040603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620040603 - 2² = 620040599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 620040603.

It is not an unprimeable number, because it can be changed into a prime (620040613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 285843 + ... + 288003.

It is an arithmetic number, because the mean of its divisors is an integer number (31841936).

Almost surely, 2^620040603 is an apocalyptic number.

620040603 is a deficient number, since it is larger than the sum of its proper divisors (398901349).

620040603 is a wasteful number, since it uses less digits than its factorization.

620040603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 620040603 is about 24900.6145104895. The cubic root of 620040603 is about 852.7205120375.

Adding to 620040603 its reverse (306040026), we get a palindrome (926080629).

The spelling of 620040603 in words is "six hundred twenty million, forty thousand, six hundred three".