260020533 has 4 divisors (see below), whose sum is σ = 346694048. Its totient is φ = 173347020.

The previous prime is 260020507. The next prime is 260020549. The reversal of 260020533 is 335020062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 260020533 - 2¹⁰ = 260019509 is a prime.

It is a super-2 number, since 2×260020533² = 135221355163208178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260020573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43336753 + ... + 43336758.

It is an arithmetic number, because the mean of its divisors is an integer number (86673512).

Almost surely, 2^260020533 is an apocalyptic number.

It is an amenable number.

260020533 is a deficient number, since it is larger than the sum of its proper divisors (86673515).

260020533 is an equidigital number, since it uses as much as digits as its factorization.

260020533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86673514.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 260020533 is about 16125.1521853284. The cubic root of 260020533 is about 638.2672309772.

Adding to 260020533 its reverse (335020062), we get a palindrome (595040595).

The spelling of 260020533 in words is "two hundred sixty million, twenty thousand, five hundred thirty-three".