20022010011 has 24 divisors (see below), whose sum is σ = 29952059904. Its totient is φ = 12879987120.

The previous prime is 20022009937. The next prime is 20022010013. The reversal of 20022010011 is 11001022002.

It is not a de Polignac number, because 20022010011 - 2³¹ = 17874526363 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20022009975 and 20022010002.

It is not an unprimeable number, because it can be changed into a prime (20022010013) 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 23 ways as a sum of consecutive naturals, for example, 303301 + ... + 363366.

It is an arithmetic number, because the mean of its divisors is an integer number (1248002496).

Almost surely, 2^20022010011 is an apocalyptic number.

20022010011 is a deficient number, since it is larger than the sum of its proper divisors (9930049893).

20022010011 is a wasteful number, since it uses less digits than its factorization.

20022010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666791 (or 666788 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 20022010011 its reverse (11001022002), we get a palindrome (31023032013).

The spelling of 20022010011 in words is "twenty billion, twenty-two million, ten thousand, eleven".