20000002011 has 16 divisors (see below), whose sum is σ = 29093281920. Its totient is φ = 12120225920.

The previous prime is 20000001971. The next prime is 20000002021. The reversal of 20000002011 is 11020000002.

It is a happy number.

It is not a de Polignac number, because 20000002011 - 2⁹ = 20000001499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20000002021) 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, 741091 + ... + 767603.

It is an arithmetic number, because the mean of its divisors is an integer number (1818330120).

Almost surely, 2^20000002011 is an apocalyptic number.

20000002011 is a deficient number, since it is larger than the sum of its proper divisors (9093279909).

20000002011 is a wasteful number, since it uses less digits than its factorization.

20000002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49386.

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

Adding to 20000002011 its reverse (11020000002), we get a palindrome (31020002013).

The spelling of 20000002011 in words is "twenty billion, two thousand, eleven".