620538068 has 12 divisors (see below), whose sum is σ = 1133156640. Its totient is φ = 296779032.

The previous prime is 620538053. The next prime is 620538071. The reversal of 620538068 is 860835026.

620538068 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 3 ways as a sum of consecutive naturals, for example, 3372398 + ... + 3372581.

It is an arithmetic number, because the mean of its divisors is an integer number (94429720).

Almost surely, 2^620538068 is an apocalyptic number.

It is an amenable number.

620538068 is a deficient number, since it is larger than the sum of its proper divisors (512618572).

620538068 is a wasteful number, since it uses less digits than its factorization.

620538068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745006 (or 6745004 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 620538068 is about 24910.6015182291. The cubic root of 620538068 is about 852.9484999100.

The spelling of 620538068 in words is "six hundred twenty million, five hundred thirty-eight thousand, sixty-eight".