20922789888001 has 32 divisors (see below), whose sum is σ = 22844265373440. Its totient is φ = 19089488332800.

The previous prime is 20922789887947. The next prime is 20922789888023. The reversal of 20922789888001 is 10088898722902.

It is not a de Polignac number, because 20922789888001 - 2⁴¹ = 18723766632449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20922789888041) 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 31 ways as a sum of consecutive naturals, for example, 19217836 + ... + 20277346.

It is an arithmetic number, because the mean of its divisors is an integer number (713883292920).

Almost surely, 2^{20922789888001} is an apocalyptic number.

It is an amenable number.

20922789888001 is a deficient number, since it is larger than the sum of its proper divisors (1921475485439).

20922789888001 is a wasteful number, since it uses less digits than its factorization.

20922789888001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059865.

The product of its (nonzero) digits is 18579456, while the sum is 64.

The spelling of 20922789888001 in words is "twenty trillion, nine hundred twenty-two billion, seven hundred eighty-nine million, eight hundred eighty-eight thousand, one".