20200001011 has 16 divisors (see below), whose sum is σ = 21112565760. Its totient is φ = 19302643360.

The previous prime is 20200000987. The next prime is 20200001021. The reversal of 20200001011 is 11010000202.

It is a cyclic number.

It is not a de Polignac number, because 20200001011 - 2¹¹ = 20199998963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200000985 and 20200001003.

It is not an unprimeable number, because it can be changed into a prime (20200001021) 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, 1448076 + ... + 1461958.

It is an arithmetic number, because the mean of its divisors is an integer number (1319535360).

Almost surely, 2^20200001011 is an apocalyptic number.

20200001011 is a deficient number, since it is larger than the sum of its proper divisors (912564749).

20200001011 is a wasteful number, since it uses less digits than its factorization.

20200001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14426.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 20200001011 its reverse (11010000202), we get a palindrome (31210001213).

The spelling of 20200001011 in words is "twenty billion, two hundred million, one thousand, eleven".