520202445 has 32 divisors (see below), whose sum is σ = 964638720. Its totient is φ = 234454080.

The previous prime is 520202437. The next prime is 520202483. The reversal of 520202445 is 544202025.

It is a happy number.

It is not a de Polignac number, because 520202445 - 2³ = 520202437 is a prime.

It is a super-2 number, since 2×520202445² = 541221167567956050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27435 + ... + 42344.

It is an arithmetic number, because the mean of its divisors is an integer number (30144960).

Almost surely, 2^520202445 is an apocalyptic number.

It is an amenable number.

520202445 is a deficient number, since it is larger than the sum of its proper divisors (444436275).

520202445 is a wasteful number, since it uses less digits than its factorization.

520202445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69865.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 520202445 is about 22807.9469702996. The cubic root of 520202445 is about 804.2494940534.

The spelling of 520202445 in words is "five hundred twenty million, two hundred two thousand, four hundred forty-five".