20364049008 has 60 divisors (see below), whose sum is σ = 57340758280. Its totient is φ = 6746364288.

The previous prime is 20364049003. The next prime is 20364049019. The reversal of 20364049008 is 80094046302.

It is a happy number.

20364049008 is a `hidden beast` number, since 2 + 0 + 3 + 640 + 4 + 9 + 0 + 0 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20364049003) 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 11 ways as a sum of consecutive naturals, for example, 410323 + ... + 457266.

Almost surely, 2^20364049008 is an apocalyptic number.

It is an amenable number.

20364049008 is an abundant number, since it is smaller than the sum of its proper divisors (36976709272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20364049008 is a wasteful number, since it uses less digits than its factorization.

20364049008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867766 (or 867757 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 20364049008 in words is "twenty billion, three hundred sixty-four million, forty-nine thousand, eight".