10564020 has 60 divisors (see below), whose sum is σ = 33144804. Its totient is φ = 2816640.

The previous prime is 10563997. The next prime is 10564027. The reversal of 10564020 is 2046501.

It is a happy number.

10564020 is a `hidden beast` number, since 1 + 0 + 5 + 640 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7193124 + 3370896 = 2682^2 + 1836^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×10564020² = 223197037120800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10563984 and 10564002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10564027) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1641 + ... + 4880.

Almost surely, 2^10564020 is an apocalyptic number.

10564020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10564020 is an abundant number, since it is smaller than the sum of its proper divisors (22580784).

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

10564020 is a wasteful number, since it uses less digits than its factorization.

10564020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6542 (or 6531 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10564020 is about 3250.2338377415. The cubic root of 10564020 is about 219.4200981138.

The spelling of 10564020 in words is "ten million, five hundred sixty-four thousand, twenty".