520213426 has 16 divisors (see below), whose sum is σ = 849715200. Its totient is φ = 237919248.

The previous prime is 520213423. The next prime is 520213427. The reversal of 520213426 is 624312025.

It is a self number, because there is not a number n which added to its sum of digits gives 520213426.

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 7 ways as a sum of consecutive naturals, for example, 234930 + ... + 237133.

It is an arithmetic number, because the mean of its divisors is an integer number (53107200).

Almost surely, 2^520213426 is an apocalyptic number.

520213426 is a deficient number, since it is larger than the sum of its proper divisors (329501774).

520213426 is a wasteful number, since it uses less digits than its factorization.

520213426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472113.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 520213426 is about 22808.1876965269. The cubic root of 520213426 is about 804.2551530051.

The spelling of 520213426 in words is "five hundred twenty million, two hundred thirteen thousand, four hundred twenty-six".