5252520020 has 96 divisors (see below), whose sum is σ = 12570405120. Its totient is φ = 1826012160.

The previous prime is 5252520011. The next prime is 5252520023. The reversal of 5252520020 is 200252525.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5252520023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653144 + ... + 661136.

It is an arithmetic number, because the mean of its divisors is an integer number (130941720).

Almost surely, 2^5252520020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5252520020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6285202560).

5252520020 is an abundant number, since it is smaller than the sum of its proper divisors (7317885100).

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

5252520020 is a wasteful number, since it uses less digits than its factorization.

5252520020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145 (or 8143 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 5252520020 is about 72474.2714347650. The cubic root of 5252520020 is about 1738.2913622998.

Adding to 5252520020 its reverse (200252525), we get a palindrome (5452772545).

The spelling of 5252520020 in words is "five billion, two hundred fifty-two million, five hundred twenty thousand, twenty".