620042403502 has 16 divisors (see below), whose sum is σ = 932796018000. Its totient is φ = 309110526720.

The previous prime is 620042403499. The next prime is 620042403557. The reversal of 620042403502 is 205304240026.

620042403502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14027977 + ... + 14072107.

It is an arithmetic number, because the mean of its divisors is an integer number (58299751125).

Almost surely, 2^620042403502 is an apocalyptic number.

620042403502 is a deficient number, since it is larger than the sum of its proper divisors (312753614498).

620042403502 is a wasteful number, since it uses less digits than its factorization.

620042403502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64611.

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 620042403502 its reverse (205304240026), we get a palindrome (825346643528).

The spelling of 620042403502 in words is "six hundred twenty billion, forty-two million, four hundred three thousand, five hundred two".