20922789888007 has 4 divisors (see below), whose sum is σ = 23911759872016. Its totient is φ = 17933819904000.

The previous prime is 20922789887947. The next prime is 20922789888023. The reversal of 20922789888007 is 70088898722902.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 20922789888007 - 2⁴³ = 12126696865799 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 (20922789868007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1494484991994 + ... + 1494484992007.

It is an arithmetic number, because the mean of its divisors is an integer number (5977939968004).

Almost surely, 2^{20922789888007} is an apocalyptic number.

20922789888007 is a deficient number, since it is larger than the sum of its proper divisors (2988969984009).

20922789888007 is an equidigital number, since it uses as much as digits as its factorization.

20922789888007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988969984008.

The product of its (nonzero) digits is 130056192, while the sum is 70.

The spelling of 20922789888007 in words is "twenty trillion, nine hundred twenty-two billion, seven hundred eighty-nine million, eight hundred eighty-eight thousand, seven".