520673600700 has 216 divisors, whose sum is σ = 1780879516416. Its totient is φ = 126189072000.

The previous prime is 520673600687. The next prime is 520673600717. The reversal of 520673600700 is 7006376025.

It is a happy number.

520673600700 is a `hidden beast` number, since 520 + 6 + 7 + 3 + 60 + 0 + 70 + 0 = 666.

It is a super-2 number, since 2×520673600700² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69207139 + ... + 69214661.

It is an arithmetic number, because the mean of its divisors is an integer number (8244812576).

Almost surely, 2^520673600700 is an apocalyptic number.

520673600700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520673600700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890439758208).

520673600700 is an abundant number, since it is smaller than the sum of its proper divisors (1260205915716).

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

520673600700 is a wasteful number, since it uses less digits than its factorization.

520673600700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14545 (or 14535 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

Adding to 520673600700 its reverse (7006376025), we get a palindrome (527679976725).

The spelling of 520673600700 in words is "five hundred twenty billion, six hundred seventy-three million, six hundred thousand, seven hundred".