20706360111 has 12 divisors (see below), whose sum is σ = 31668550992. Its totient is φ = 12992225856.

The previous prime is 20706360109. The next prime is 20706360149. The reversal of 20706360111 is 11106360702.

20706360111 is a `hidden beast` number, since 20 + 7 + 0 + 636 + 0 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 20706360111 - 2¹ = 20706360109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20706365111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67667691 + ... + 67667996.

It is an arithmetic number, because the mean of its divisors is an integer number (2639045916).

Almost surely, 2^20706360111 is an apocalyptic number.

20706360111 is a deficient number, since it is larger than the sum of its proper divisors (10962190881).

20706360111 is a wasteful number, since it uses less digits than its factorization.

20706360111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135335710 (or 135335707 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The spelling of 20706360111 in words is "twenty billion, seven hundred six million, three hundred sixty thousand, one hundred eleven".