20764008788337 has 16 divisors (see below), whose sum is σ = 30781125383680. Its totient is φ = 13833838628496.

The previous prime is 20764008788293. The next prime is 20764008788417. The reversal of 20764008788337 is 73388780046702.

20764008788337 is a `hidden beast` number, since 2 + 0 + 76 + 400 + 87 + 8 + 83 + 3 + 7 = 666.

It is not a de Polignac number, because 20764008788337 - 2¹¹ = 20764008786289 is a prime.

It is a super-2 number, since 2×20764008788337² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20764008738337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245342938 + ... + 245427555.

It is an arithmetic number, because the mean of its divisors is an integer number (1923820336480).

Almost surely, 2^{20764008788337} is an apocalyptic number.

20764008788337 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

20764008788337 is a deficient number, since it is larger than the sum of its proper divisors (10017116595343).

20764008788337 is a wasteful number, since it uses less digits than its factorization.

20764008788337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490772069 (or 490772063 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 63.

The spelling of 20764008788337 in words is "twenty trillion, seven hundred sixty-four billion, eight million, seven hundred eighty-eight thousand, three hundred thirty-seven".