20955719270 has 16 divisors (see below), whose sum is σ = 37722222720. Its totient is φ = 8381859264.

The previous prime is 20955719219. The next prime is 20955719299. The reversal of 20955719270 is 7291755902.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216914 + ... + 298266.

It is an arithmetic number, because the mean of its divisors is an integer number (2357638920).

Almost surely, 2^20955719270 is an apocalyptic number.

20955719270 is a deficient number, since it is larger than the sum of its proper divisors (16766503450).

20955719270 is a wasteful number, since it uses less digits than its factorization.

20955719270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107119.

The product of its (nonzero) digits is 396900, while the sum is 47.

The spelling of 20955719270 in words is "twenty billion, nine hundred fifty-five million, seven hundred nineteen thousand, two hundred seventy".