20258684067 has 8 divisors (see below), whose sum is σ = 27058394896. Its totient is φ = 13482381312.

The previous prime is 20258684063. The next prime is 20258684087. The reversal of 20258684067 is 76048685202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20258684067 - 2² = 20258684063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20258684063) 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, 5849998 + ... + 5853459.

It is an arithmetic number, because the mean of its divisors is an integer number (3382299362).

Almost surely, 2^20258684067 is an apocalyptic number.

20258684067 is a deficient number, since it is larger than the sum of its proper divisors (6799710829).

20258684067 is a wasteful number, since it uses less digits than its factorization.

20258684067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11704037.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 20258684067 in words is "twenty billion, two hundred fifty-eight million, six hundred eighty-four thousand, sixty-seven".