620568224 has 12 divisors (see below), whose sum is σ = 1221743754. Its totient is φ = 310284096.

The previous prime is 620568211. The next prime is 620568259. The reversal of 620568224 is 422865026.

620568224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 397603600 + 222964624 = 19940^2 + 14932^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9696347 + ... + 9696410.

Almost surely, 2^620568224 is an apocalyptic number.

It is an amenable number.

620568224 is a deficient number, since it is larger than the sum of its proper divisors (601175530).

620568224 is a wasteful number, since it uses less digits than its factorization.

620568224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19392767 (or 19392759 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 620568224 is about 24911.2067953361. The cubic root of 620568224 is about 852.9623164667.

The spelling of 620568224 in words is "six hundred twenty million, five hundred sixty-eight thousand, two hundred twenty-four".