8020513854 has 96 divisors (see below), whose sum is σ = 18157586304. Its totient is φ = 2556671040.

The previous prime is 8020513841. The next prime is 8020513859. The reversal of 8020513854 is 4583150208.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8020513859) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 10941672 + ... + 10942404.

It is an arithmetic number, because the mean of its divisors is an integer number (189141524).

Almost surely, 2^8020513854 is an apocalyptic number.

8020513854 is an abundant number, since it is smaller than the sum of its proper divisors (10137072450).

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

8020513854 is a wasteful number, since it uses less digits than its factorization.

8020513854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 8020513854 is about 89557.3216102402. The cubic root of 8020513854 is about 2001.7080287370.

The spelling of 8020513854 in words is "eight billion, twenty million, five hundred thirteen thousand, eight hundred fifty-four".