620402602 has 16 divisors (see below), whose sum is σ = 935500032. Its totient is φ = 308574000.

The previous prime is 620402593. The next prime is 620402609. The reversal of 620402602 is 206204026.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (620402609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 475483 + ... + 476785.

It is an arithmetic number, because the mean of its divisors is an integer number (58468752).

Almost surely, 2^620402602 is an apocalyptic number.

620402602 is a deficient number, since it is larger than the sum of its proper divisors (315097430).

620402602 is a wasteful number, since it uses less digits than its factorization.

620402602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 620402602 is about 24907.8823266853. The cubic root of 620402602 is about 852.8864280101.

Adding to 620402602 its reverse (206204026), we get a palindrome (826606628).

The spelling of 620402602 in words is "six hundred twenty million, four hundred two thousand, six hundred two".