20958054670079 has 8 divisors (see below), whose sum is σ = 20990082614592. Its totient is φ = 20926029358080.

The previous prime is 20958054670073. The next prime is 20958054670123. The reversal of 20958054670079 is 97007645085902.

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

It is a cyclic number.

It is not a de Polignac number, because 20958054670079 - 2⁸ = 20958054669823 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 (20958054670073) 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, 15582314 + ... + 16873784.

It is an arithmetic number, because the mean of its divisors is an integer number (2623760326824).

Almost surely, 2^{20958054670079} is an apocalyptic number.

20958054670079 is a deficient number, since it is larger than the sum of its proper divisors (32027944513).

20958054670079 is a wasteful number, since it uses less digits than its factorization.

20958054670079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1316257.

The product of its (nonzero) digits is 38102400, while the sum is 62.

The spelling of 20958054670079 in words is "twenty trillion, nine hundred fifty-eight billion, fifty-four million, six hundred seventy thousand, seventy-nine".