20369009369 has 8 divisors (see below), whose sum is σ = 21361430400. Its totient is φ = 19385489376.

The previous prime is 20369009363. The next prime is 20369009501. The reversal of 20369009369 is 96390096302.

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

It is a cyclic number.

It is not a de Polignac number, because 20369009369 - 2¹² = 20369005273 is a prime.

It is a super-2 number, since 2×20369009369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20369009363) 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, 2220572 + ... + 2229725.

It is an arithmetic number, because the mean of its divisors is an integer number (2670178800).

Almost surely, 2^20369009369 is an apocalyptic number.

It is an amenable number.

20369009369 is a deficient number, since it is larger than the sum of its proper divisors (992421031).

20369009369 is a wasteful number, since it uses less digits than its factorization.

20369009369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450519.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 20369009369 in words is "twenty billion, three hundred sixty-nine million, nine thousand, three hundred sixty-nine".