20000202011 has 16 divisors (see below), whose sum is σ = 20950161408. Its totient is φ = 19074249600.

The previous prime is 20000201993. The next prime is 20000202049. The reversal of 20000202011 is 11020200002.

It is not a de Polignac number, because 20000202011 - 2¹⁴ = 20000185627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20000202011.

It is not an unprimeable number, because it can be changed into a prime (20000202071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859571 + ... + 882531.

It is an arithmetic number, because the mean of its divisors is an integer number (1309385088).

Almost surely, 2^20000202011 is an apocalyptic number.

20000202011 is a deficient number, since it is larger than the sum of its proper divisors (949959397).

20000202011 is a wasteful number, since it uses less digits than its factorization.

20000202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23482.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 20000202011 its reverse (11020200002), we get a palindrome (31020402013).

The spelling of 20000202011 in words is "twenty billion, two hundred two thousand, eleven".