20011011007 has 8 divisors (see below), whose sum is σ = 22051490384. Its totient is φ = 18042127488.

The previous prime is 20011011001. The next prime is 20011011073. The reversal of 20011011007 is 70011011002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20011011007 - 2¹¹ = 20011008959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17898378 + ... + 17899495.

It is an arithmetic number, because the mean of its divisors is an integer number (2756436298).

Almost surely, 2^20011011007 is an apocalyptic number.

20011011007 is a deficient number, since it is larger than the sum of its proper divisors (2040479377).

20011011007 is a wasteful number, since it uses less digits than its factorization.

20011011007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35797929.

The product of its (nonzero) digits is 14, while the sum is 13.

Adding to 20011011007 its reverse (70011011002), we get a palindrome (90022022009).

The spelling of 20011011007 in words is "twenty billion, eleven million, eleven thousand, seven".