20145883967 has 8 divisors (see below), whose sum is σ = 22171818960. Its totient is φ = 18152364160.

The previous prime is 20145883957. The next prime is 20145883969. The reversal of 20145883967 is 76938854102.

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 20145883967 - 2¹⁰ = 20145882943 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 (20145883969) 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, 8102492 + ... + 8104977.

It is an arithmetic number, because the mean of its divisors is an integer number (2771477370).

It is a 1-persistent number, because it is pandigital, but 2⋅20145883967 = 40291767934 is not.

Almost surely, 2^20145883967 is an apocalyptic number.

20145883967 is a deficient number, since it is larger than the sum of its proper divisors (2025934993).

20145883967 is a wasteful number, since it uses less digits than its factorization.

20145883967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16207593.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 20145883967 in words is "twenty billion, one hundred forty-five million, eight hundred eighty-three thousand, nine hundred sixty-seven".