520023412390 has 32 divisors (see below), whose sum is σ = 957884818176. Its totient is φ = 203156187360.

The previous prime is 520023412367. The next prime is 520023412393. The reversal of 520023412390 is 93214320025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520023412393) 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, 6601335 + ... + 6679645.

It is an arithmetic number, because the mean of its divisors is an integer number (29933900568).

Almost surely, 2^520023412390 is an apocalyptic number.

520023412390 is a deficient number, since it is larger than the sum of its proper divisors (437861405786).

520023412390 is a wasteful number, since it uses less digits than its factorization.

520023412390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93804.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 520023412390 in words is "five hundred twenty billion, twenty-three million, four hundred twelve thousand, three hundred ninety".