520421204300052 has 48 divisors (see below), whose sum is σ = 1328260017534912. Its totient is φ = 157280597921280.

The previous prime is 520421204299991. The next prime is 520421204300069. The reversal of 520421204300052 is 250003402124025.

It is a junction number, because it is equal to n+sod(n) for n = 520421204299992 and 520421204300019.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5284917093 + ... + 5285015564.

It is an arithmetic number, because the mean of its divisors is an integer number (27672083698644).

Almost surely, 2^{520421204300052} is an apocalyptic number.

It is an amenable number.

520421204300052 is an abundant number, since it is smaller than the sum of its proper divisors (807838813234860).

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

520421204300052 is a wasteful number, since it uses less digits than its factorization.

520421204300052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569933048 (or 10569933046 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 520421204300052 its reverse (250003402124025), we get a palindrome (770424606424077).

The spelling of 520421204300052 in words is "five hundred twenty trillion, four hundred twenty-one billion, two hundred four million, three hundred thousand, fifty-two".