565439020 has 48 divisors (see below), whose sum is σ = 1209434688. Its totient is φ = 222013440.

The previous prime is 565439003. The next prime is 565439027. The reversal of 565439020 is 20934565.

565439020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (565439027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351057 + ... + 352663.

It is an arithmetic number, because the mean of its divisors is an integer number (25196556).

Almost surely, 2^565439020 is an apocalyptic number.

It is an amenable number.

565439020 is an abundant number, since it is smaller than the sum of its proper divisors (643995668).

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

565439020 is a wasteful number, since it uses less digits than its factorization.

565439020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1930 (or 1928 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 565439020 is about 23778.9617098813. The cubic root of 565439020 is about 826.9170088867.

The spelling of 565439020 in words is "five hundred sixty-five million, four hundred thirty-nine thousand, twenty".