520044330101 has 4 divisors (see below), whose sum is σ = 520047480000. Its totient is φ = 520041180204.

The previous prime is 520044330079. The next prime is 520044330139. The reversal of 520044330101 is 101033440025.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 520044330101 - 2¹⁸ = 520044067957 is a prime.

It is a super-2 number, since 2×520044330101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520044330601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312751 + ... + 1662348.

It is an arithmetic number, because the mean of its divisors is an integer number (130011870000).

Almost surely, 2^520044330101 is an apocalyptic number.

It is an amenable number.

520044330101 is a deficient number, since it is larger than the sum of its proper divisors (3149899).

520044330101 is a wasteful number, since it uses less digits than its factorization.

520044330101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149898.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 520044330101 its reverse (101033440025), we get a palindrome (621077770126).

The spelling of 520044330101 in words is "five hundred twenty billion, forty-four million, three hundred thirty thousand, one hundred one".