1020552568 has 32 divisors (see below), whose sum is σ = 2315541600. Its totient is φ = 411651072.

The previous prime is 1020552557. The next prime is 1020552613. The reversal of 1020552568 is 8652550201.

It is a Harshad number since it is a multiple of its sum of digits (34).

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, 535053 + ... + 536956.

It is an arithmetic number, because the mean of its divisors is an integer number (72360675).

Almost surely, 2^1020552568 is an apocalyptic number.

It is an amenable number.

1020552568 is an abundant number, since it is smaller than the sum of its proper divisors (1294989032).

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

1020552568 is a wasteful number, since it uses less digits than its factorization.

1020552568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072039 (or 1072035 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

The square root of 1020552568 is about 31946.0884616568. The cubic root of 1020552568 is about 1006.8044504377.

The spelling of 1020552568 in words is "one billion, twenty million, five hundred fifty-two thousand, five hundred sixty-eight".