620615012 has 24 divisors (see below), whose sum is σ = 1144718400. Its totient is φ = 293594976.

The previous prime is 620614999. The next prime is 620615027. The reversal of 620615012 is 210516026.

It is an unprimeable number.

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, 58898 + ... + 68630.

It is an arithmetic number, because the mean of its divisors is an integer number (47696600).

Almost surely, 2^620615012 is an apocalyptic number.

It is an amenable number.

620615012 is a deficient number, since it is larger than the sum of its proper divisors (524103388).

620615012 is a wasteful number, since it uses less digits than its factorization.

620615012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10595 (or 10593 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 620615012 is about 24912.1458730475. The cubic root of 620615012 is about 852.9837524112.

The spelling of 620615012 in words is "six hundred twenty million, six hundred fifteen thousand, twelve".