20036105169 has 8 divisors (see below), whose sum is σ = 28120849440. Its totient is φ = 12654382176.

The previous prime is 20036105149. The next prime is 20036105171. The reversal of 20036105169 is 96150163002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20036105169 - 2¹⁹ = 20035580881 is a prime.

It is a super-2 number, since 2×20036105169² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20036105129) 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 7 ways as a sum of consecutive naturals, for example, 175755252 + ... + 175755365.

It is an arithmetic number, because the mean of its divisors is an integer number (3515106180).

Almost surely, 2^20036105169 is an apocalyptic number.

It is an amenable number.

20036105169 is a deficient number, since it is larger than the sum of its proper divisors (8084744271).

20036105169 is a wasteful number, since it uses less digits than its factorization.

20036105169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351510639.

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 20036105169 in words is "twenty billion, thirty-six million, one hundred five thousand, one hundred sixty-nine".