535256020 has 24 divisors (see below), whose sum is σ = 1210502664. Its totient is φ = 197632896.

The previous prime is 535256017. The next prime is 535256021. The reversal of 535256020 is 20652535.

It can be written as a sum of positive squares in 4 ways, for example, as 22867524 + 512388496 = 4782^2 + 22636^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 535256020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (535256021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029079 + ... + 1029598.

It is an arithmetic number, because the mean of its divisors is an integer number (50437611).

Almost surely, 2^535256020 is an apocalyptic number.

It is an amenable number.

535256020 is an abundant number, since it is smaller than the sum of its proper divisors (675246644).

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

535256020 is a wasteful number, since it uses less digits than its factorization.

535256020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058699 (or 2058697 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 535256020 is about 23135.6007054064. The cubic root of 535256020 is about 811.9336114197.

The spelling of 535256020 in words is "five hundred thirty-five million, two hundred fifty-six thousand, twenty".