20386832087 has 8 divisors (see below), whose sum is σ = 21079254672. Its totient is φ = 19703704000.

The previous prime is 20386831999. The next prime is 20386832101. The reversal of 20386832087 is 78023868302.

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 20386832087 - 2¹⁶ = 20386766551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20386835087) 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, 2319164 + ... + 2327937.

It is an arithmetic number, because the mean of its divisors is an integer number (2634906834).

Almost surely, 2^20386832087 is an apocalyptic number.

20386832087 is a deficient number, since it is larger than the sum of its proper divisors (692422585).

20386832087 is a wasteful number, since it uses less digits than its factorization.

20386832087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4647249.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 20386832087 in words is "twenty billion, three hundred eighty-six million, eight hundred thirty-two thousand, eighty-seven".