620504502 has 8 divisors (see below), whose sum is σ = 1241009016. Its totient is φ = 206834832.

The previous prime is 620504501. The next prime is 620504513. The reversal of 620504502 is 205405026.

It is a sphenic number, since it is the product of 3 distinct primes.

620504502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620504501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51708703 + ... + 51708714.

It is an arithmetic number, because the mean of its divisors is an integer number (155126127).

Almost surely, 2^620504502 is an apocalyptic number.

620504502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620504502 is a wasteful number, since it uses less digits than its factorization.

620504502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103417422.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 620504502 is about 24909.9277799033. The cubic root of 620504502 is about 852.9331204691.

Adding to 620504502 its reverse (205405026), we get a palindrome (825909528).

The spelling of 620504502 in words is "six hundred twenty million, five hundred four thousand, five hundred two".