620516652 has 24 divisors (see below), whose sum is σ = 1654711296. Its totient is φ = 177290448.

The previous prime is 620516597. The next prime is 620516671. The reversal of 620516652 is 256615026.

It is a happy number.

620516652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 3693468 + ... + 3693635.

It is an arithmetic number, because the mean of its divisors is an integer number (68946304).

Almost surely, 2^620516652 is an apocalyptic number.

It is an amenable number.

620516652 is an abundant number, since it is smaller than the sum of its proper divisors (1034194644).

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

620516652 is a wasteful number, since it uses less digits than its factorization.

620516652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7387117 (or 7387115 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 620516652 is about 24910.1716573772. The cubic root of 620516652 is about 852.9386874820.

The spelling of 620516652 in words is "six hundred twenty million, five hundred sixteen thousand, six hundred fifty-two".