20336766897 has 8 divisors (see below), whose sum is σ = 27116563680. Its totient is φ = 13557407360.

The previous prime is 20336766859. The next prime is 20336766929. The reversal of 20336766897 is 79866763302.

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 20336766897 - 2¹⁵ = 20336734129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20336776897) 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, 21622 + ... + 202832.

It is an arithmetic number, because the mean of its divisors is an integer number (3389570460).

Almost surely, 2^20336766897 is an apocalyptic number.

It is an amenable number.

20336766897 is a deficient number, since it is larger than the sum of its proper divisors (6779796783).

20336766897 is a wasteful number, since it uses less digits than its factorization.

20336766897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218623.

The product of its (nonzero) digits is 13716864, while the sum is 57.

The spelling of 20336766897 in words is "twenty billion, three hundred thirty-six million, seven hundred sixty-six thousand, eight hundred ninety-seven".