20273309186 has 16 divisors (see below), whose sum is σ = 33210451008. Its totient is φ = 9225123600.

The previous prime is 20273309159. The next prime is 20273309197. The reversal of 20273309186 is 68190337202.

It is a super-4 number, since 4×20273309186⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5489300 + ... + 5492991.

It is an arithmetic number, because the mean of its divisors is an integer number (2075653188).

Almost surely, 2^20273309186 is an apocalyptic number.

20273309186 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20273309186 is a deficient number, since it is larger than the sum of its proper divisors (12937141822).

20273309186 is a wasteful number, since it uses less digits than its factorization.

20273309186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10982377.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 20273309186 in words is "twenty billion, two hundred seventy-three million, three hundred nine thousand, one hundred eighty-six".