7157300020 has 48 divisors (see below), whose sum is σ = 16217884368. Its totient is φ = 2637573120.

The previous prime is 7157300009. The next prime is 7157300039. The reversal of 7157300020 is 200037517.

It can be written as a sum of positive squares in 8 ways, for example, as 3308090256 + 3849209764 = 57516^2 + 62042^2 .

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 15 ways as a sum of consecutive naturals, for example, 109042 + ... + 161878.

It is an arithmetic number, because the mean of its divisors is an integer number (337872591).

Almost surely, 2^7157300020 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 7157300020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8108942184).

7157300020 is an abundant number, since it is smaller than the sum of its proper divisors (9060584348).

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

7157300020 is a wasteful number, since it uses less digits than its factorization.

7157300020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53380 (or 53378 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 7157300020 is about 84600.8275373238. The cubic root of 7157300020 is about 1927.1539409336.

Adding to 7157300020 its reverse (200037517), we get a palindrome (7357337537).

The spelling of 7157300020 in words is "seven billion, one hundred fifty-seven million, three hundred thousand, twenty".