520022633 has 6 divisors (see below), whose sum is σ = 563101614. Its totient is φ = 480020736.

The previous prime is 520022627. The next prime is 520022669. The reversal of 520022633 is 336220025.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 25938649 + 494083984 = 5093^2 + 22228^2 .

It is not a de Polignac number, because 520022633 - 2¹⁰ = 520021609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520022599 and 520022608.

It is not an unprimeable number, because it can be changed into a prime (520022683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1538360 + ... + 1538697.

It is an arithmetic number, because the mean of its divisors is an integer number (93850269).

Almost surely, 2^520022633 is an apocalyptic number.

It is an amenable number.

520022633 is a deficient number, since it is larger than the sum of its proper divisors (43078981).

520022633 is a wasteful number, since it uses less digits than its factorization.

520022633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077083 (or 3077070 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 520022633 is about 22804.0047579367. The cubic root of 520022633 is about 804.1568183545.

Adding to 520022633 its reverse (336220025), we get a palindrome (856242658).

The spelling of 520022633 in words is "five hundred twenty million, twenty-two thousand, six hundred thirty-three".