20330198769 has 8 divisors (see below), whose sum is σ = 27226346400. Its totient is φ = 13493758496.

The previous prime is 20330198761. The next prime is 20330198807. The reversal of 20330198769 is 96789103302.

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 20330198769 - 2³ = 20330198761 is a prime.

It is a super-2 number, since 2×20330198769² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20330198761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14926044 + ... + 14927405.

It is an arithmetic number, because the mean of its divisors is an integer number (3403293300).

Almost surely, 2^20330198769 is an apocalyptic number.

It is an amenable number.

20330198769 is a deficient number, since it is larger than the sum of its proper divisors (6896147631).

20330198769 is a wasteful number, since it uses less digits than its factorization.

20330198769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29853679.

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 20330198769 in words is "twenty billion, three hundred thirty million, one hundred ninety-eight thousand, seven hundred sixty-nine".