8755000020 has 120 divisors (see below), whose sum is σ = 29577504264. Its totient is φ = 2155071744.

The previous prime is 8755000019. The next prime is 8755000021. The reversal of 8755000020 is 200005578.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8755000019) and next prime (8755000021).

It can be written as a sum of positive squares in 4 ways, for example, as 1237069584 + 7517930436 = 35172^2 + 86706^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8755000021) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 186799 + ... + 228918.

Almost surely, 2^8755000020 is an apocalyptic number.

It is an amenable number.

8755000020 is an abundant number, since it is smaller than the sum of its proper divisors (20822504244).

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

8755000020 is a wasteful number, since it uses less digits than its factorization.

8755000020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415751 (or 415740 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 8755000020 is about 93568.1570834865. The cubic root of 8755000020 is about 2061.0350800968.

Adding to 8755000020 its reverse (200005578), we get a palindrome (8955005598).

The spelling of 8755000020 in words is "eight billion, seven hundred fifty-five million, twenty", and thus it is an aban number.