520026026 has 8 divisors (see below), whose sum is σ = 840042084. Its totient is φ = 240012000.

The previous prime is 520026019. The next prime is 520026049. The reversal of 520026026 is 620620025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 517608001 + 2418025 = 22751^2 + 1555^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

520026026 is a modest number, since divided by 26026 gives 520 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 520025992 and 520026010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10000475 + ... + 10000526.

Almost surely, 2^520026026 is an apocalyptic number.

520026026 is a deficient number, since it is larger than the sum of its proper divisors (320016058).

520026026 is a wasteful number, since it uses less digits than its factorization.

520026026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001016.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 520026026 is about 22804.0791526428. The cubic root of 520026026 is about 804.1585673156.

The spelling of 520026026 in words is "five hundred twenty million, twenty-six thousand, twenty-six".