620500102 has 16 divisors (see below), whose sum is σ = 993030192. Its totient is φ = 289768960.

The previous prime is 620500091. The next prime is 620500103. The reversal of 620500102 is 201005026.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620500103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65203 + ... + 74110.

It is an arithmetic number, because the mean of its divisors is an integer number (62064387).

Almost surely, 2^620500102 is an apocalyptic number.

620500102 is a deficient number, since it is larger than the sum of its proper divisors (372530090).

620500102 is a wasteful number, since it uses less digits than its factorization.

620500102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139463.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 620500102 is about 24909.8394615461. The cubic root of 620500102 is about 852.9311044136.

Adding to 620500102 its reverse (201005026), we get a palindrome (821505128).

The spelling of 620500102 in words is "six hundred twenty million, five hundred thousand, one hundred two".