20106443715 has 16 divisors (see below), whose sum is σ = 33569019648. Its totient is φ = 10257200096.

The previous prime is 20106443671. The next prime is 20106443717. The reversal of 20106443715 is 51734460102.

It is a cyclic number.

It is not a de Polignac number, because 20106443715 - 2⁸ = 20106443459 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20106443717) 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 15 ways as a sum of consecutive naturals, for example, 29139429 + ... + 29140118.

It is an arithmetic number, because the mean of its divisors is an integer number (2098063728).

Almost surely, 2^20106443715 is an apocalyptic number.

20106443715 is a deficient number, since it is larger than the sum of its proper divisors (13462575933).

20106443715 is a wasteful number, since it uses less digits than its factorization.

20106443715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58279578.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 20106443715 in words is "twenty billion, one hundred six million, four hundred forty-three thousand, seven hundred fifteen".