8020997562 has 32 divisors (see below), whose sum is σ = 17089883712. Its totient is φ = 2500948224.

The previous prime is 8020997531. The next prime is 8020997591. The reversal of 8020997562 is 2657990208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224593 + ... + 257844.

It is an arithmetic number, because the mean of its divisors is an integer number (534058866).

Almost surely, 2^8020997562 is an apocalyptic number.

8020997562 is an abundant number, since it is smaller than the sum of its proper divisors (9068886150).

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

8020997562 is a wasteful number, since it uses less digits than its factorization.

8020997562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482622.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 8020997562 is about 89560.0221192469. The cubic root of 8020997562 is about 2001.7482681673.

It can be divided in two parts, 80209 and 97562, that added together give a palindrome (177771).

The spelling of 8020997562 in words is "eight billion, twenty million, nine hundred ninety-seven thousand, five hundred sixty-two".