620240566 has 16 divisors (see below), whose sum is σ = 1018413648. Its totient is φ = 280962400.

The previous prime is 620240539. The next prime is 620240573. The reversal of 620240566 is 665042026.

It is a congruent number.

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, 41665 + ... + 54556.

It is an arithmetic number, because the mean of its divisors is an integer number (63650853).

Almost surely, 2^620240566 is an apocalyptic number.

620240566 is a deficient number, since it is larger than the sum of its proper divisors (398173082).

620240566 is a wasteful number, since it uses less digits than its factorization.

620240566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96527.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 620240566 is about 24904.6294090075. The cubic root of 620240566 is about 852.8121695968.

The spelling of 620240566 in words is "six hundred twenty million, two hundred forty thousand, five hundred sixty-six".