20002000011 has 16 divisors (see below), whose sum is σ = 30483999744. Its totient is φ = 11427928704.

The previous prime is 20001999977. The next prime is 20002000021. The reversal of 20002000011 is 11000020002.

It is a happy number.

It is not a de Polignac number, because 20002000011 - 2⁷ = 20001999883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20002000021) 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, 69715 + ... + 211811.

It is an arithmetic number, because the mean of its divisors is an integer number (1905249984).

Almost surely, 2^20002000011 is an apocalyptic number.

20002000011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

20002000011 is a deficient number, since it is larger than the sum of its proper divisors (10481999733).

20002000011 is a wasteful number, since it uses less digits than its factorization.

20002000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148810.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 20002000011 its reverse (11000020002), we get a palindrome (31002020013).

The spelling of 20002000011 in words is "twenty billion, two million, eleven", and thus it is an aban number and an uban number.