20981033095 has 32 divisors (see below), whose sum is σ = 27715239936. Its totient is φ = 15120806400.

The previous prime is 20981033093. The next prime is 20981033141. The reversal of 20981033095 is 59033018902.

It is not a de Polignac number, because 20981033095 - 2¹ = 20981033093 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 (20981033093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9505482 + ... + 9507688.

It is an arithmetic number, because the mean of its divisors is an integer number (866101248).

Almost surely, 2^20981033095 is an apocalyptic number.

20981033095 is a deficient number, since it is larger than the sum of its proper divisors (6734206841).

20981033095 is a wasteful number, since it uses less digits than its factorization.

20981033095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 20981033095 in words is "twenty billion, nine hundred eighty-one million, thirty-three thousand, ninety-five".