20731048953 has 8 divisors (see below), whose sum is σ = 28594550400. Its totient is φ = 13344123408.

The previous prime is 20731048937. The next prime is 20731048967. The reversal of 20731048953 is 35984013702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20731048953 - 2⁴ = 20731048937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20731048913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119143873 + ... + 119144046.

It is an arithmetic number, because the mean of its divisors is an integer number (3574318800).

Almost surely, 2^20731048953 is an apocalyptic number.

It is an amenable number.

20731048953 is a deficient number, since it is larger than the sum of its proper divisors (7863501447).

20731048953 is a wasteful number, since it uses less digits than its factorization.

20731048953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238287951.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 20731048953 in words is "twenty billion, seven hundred thirty-one million, forty-eight thousand, nine hundred fifty-three".