8000020011 has 64 divisors (see below), whose sum is σ = 11904076800. Its totient is φ = 4761275904.

The previous prime is 8000019997. The next prime is 8000020013. The reversal of 8000020011 is 1100200008.

It is a happy number.

It is not a de Polignac number, because 8000020011 - 2⁶ = 8000019947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8000020013) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9378261 + ... + 9379113.

It is an arithmetic number, because the mean of its divisors is an integer number (186001200).

Almost surely, 2^8000020011 is an apocalyptic number.

8000020011 is a deficient number, since it is larger than the sum of its proper divisors (3904056789).

8000020011 is a wasteful number, since it uses less digits than its factorization.

8000020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 8000020011 is about 89442.8309648124. The cubic root of 8000020011 is about 2000.0016675819.

Adding to 8000020011 its reverse (1100200008), we get a palindrome (9100220019).

The spelling of 8000020011 in words is "eight billion, twenty thousand, eleven".