20912441079087 has 32 divisors (see below), whose sum is σ = 31464730053120. Its totient is φ = 13896798550200.

The previous prime is 20912441079037. The next prime is 20912441079109. The reversal of 20912441079087 is 78097014421902.

20912441079087 is a `hidden beast` number, since 20 + 9 + 12 + 441 + 0 + 7 + 90 + 87 = 666.

It is not a de Polignac number, because 20912441079087 - 2⁷ = 20912441078959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20912441079037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14693089 + ... + 16053402.

It is an arithmetic number, because the mean of its divisors is an integer number (983272814160).

Almost surely, 2^{20912441079087} is an apocalyptic number.

20912441079087 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

20912441079087 is a deficient number, since it is larger than the sum of its proper divisors (10552288974033).

20912441079087 is an frugal number, since it uses more digits than its factorization.

20912441079087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30746823 (or 30746805 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 20912441079087 in words is "twenty trillion, nine hundred twelve billion, four hundred forty-one million, seventy-nine thousand, eighty-seven".