20146750720357 has 8 divisors (see below), whose sum is σ = 20149066324640. Its totient is φ = 20144435285520.

The previous prime is 20146750720331. The next prime is 20146750720381. The reversal of 20146750720357 is 75302705764102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20146750720357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20146750720357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146750720307) 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 7 ways as a sum of consecutive naturals, for example, 571992007 + ... + 572027227.

It is an arithmetic number, because the mean of its divisors is an integer number (2518633290580).

Almost surely, 2^{20146750720357} is an apocalyptic number.

It is an amenable number.

20146750720357 is a deficient number, since it is larger than the sum of its proper divisors (2315604283).

20146750720357 is a wasteful number, since it uses less digits than its factorization.

20146750720357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84723.

The product of its (nonzero) digits is 2469600, while the sum is 49.

The spelling of 20146750720357 in words is "twenty trillion, one hundred forty-six billion, seven hundred fifty million, seven hundred twenty thousand, three hundred fifty-seven".