8505341020 has 48 divisors (see below), whose sum is σ = 19804419936. Its totient is φ = 3042144000.

The previous prime is 8505340979. The next prime is 8505341029. The reversal of 8505341020 is 201435058.

It is a self number, because there is not a number n which added to its sum of digits gives 8505341020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8505341029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303471 + ... + 330310.

It is an arithmetic number, because the mean of its divisors is an integer number (412592082).

Almost surely, 2^8505341020 is an apocalyptic number.

It is an amenable number.

8505341020 is an abundant number, since it is smaller than the sum of its proper divisors (11299078916).

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

8505341020 is a wasteful number, since it uses less digits than its factorization.

8505341020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633862 (or 633860 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 8505341020 is about 92224.4057720081. The cubic root of 8505341020 is about 2041.2549163907.

Adding to 8505341020 its reverse (201435058), we get a palindrome (8706776078).

The spelling of 8505341020 in words is "eight billion, five hundred five million, three hundred forty-one thousand, twenty".