520213422 has 32 divisors (see below), whose sum is σ = 1053688320. Its totient is φ = 171208800.

The previous prime is 520213411. The next prime is 520213423. The reversal of 520213422 is 224312025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520213423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155079 + ... + 158397.

It is an arithmetic number, because the mean of its divisors is an integer number (32927760).

Almost surely, 2^520213422 is an apocalyptic number.

520213422 is an abundant number, since it is smaller than the sum of its proper divisors (533474898).

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

520213422 is a wasteful number, since it uses less digits than its factorization.

520213422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 520213422 is about 22808.1876088391. The cubic root of 520213422 is about 804.2551509437.

Adding to 520213422 its reverse (224312025), we get a palindrome (744525447).

The spelling of 520213422 in words is "five hundred twenty million, two hundred thirteen thousand, four hundred twenty-two".