20080366111 has 16 divisors (see below), whose sum is σ = 21838771584. Its totient is φ = 18352685664.

The previous prime is 20080366109. The next prime is 20080366123. The reversal of 20080366111 is 11166308002.

It is a cyclic number.

It is not a de Polignac number, because 20080366111 - 2¹ = 20080366109 is a prime.

It is a super-2 number, since 2×20080366111² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20080366111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20080366511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4453120 + ... + 4457626.

It is an arithmetic number, because the mean of its divisors is an integer number (1364923224).

Almost surely, 2^20080366111 is an apocalyptic number.

20080366111 is a deficient number, since it is larger than the sum of its proper divisors (1758405473).

20080366111 is a wasteful number, since it uses less digits than its factorization.

20080366111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7830.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 20080366111 in words is "twenty billion, eighty million, three hundred sixty-six thousand, one hundred eleven".