20011002110 has 32 divisors (see below), whose sum is σ = 41002785792. Its totient is φ = 6960347680.

The previous prime is 20011002101. The next prime is 20011002173. The reversal of 20011002110 is 1120011002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3952214 + ... + 3957273.

It is an arithmetic number, because the mean of its divisors is an integer number (1281337056).

Almost surely, 2^20011002110 is an apocalyptic number.

20011002110 is an abundant number, since it is smaller than the sum of its proper divisors (20991783682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20011002110 is a wasteful number, since it uses less digits than its factorization.

20011002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7909528.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 20011002110 its reverse (1120011002), we get a palindrome (21131013112).

The spelling of 20011002110 in words is "twenty billion, eleven million, two thousand, one hundred ten".