20677094109 has 72 divisors (see below), whose sum is σ = 36230917632. Its totient is φ = 11129555520.

The previous prime is 20677094107. The next prime is 20677094167. The reversal of 20677094109 is 90149077602.

It is not a de Polignac number, because 20677094109 - 2¹ = 20677094107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20677094107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4113972 + ... + 4118994.

Almost surely, 2^20677094109 is an apocalyptic number.

It is an amenable number.

20677094109 is a deficient number, since it is larger than the sum of its proper divisors (15553823523).

20677094109 is a wasteful number, since it uses less digits than its factorization.

20677094109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5255 (or 5233 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The spelling of 20677094109 in words is "twenty billion, six hundred seventy-seven million, ninety-four thousand, one hundred nine".