20042152646723 has 8 divisors (see below), whose sum is σ = 20108302062816. Its totient is φ = 19976016715200.

The previous prime is 20042152646707. The next prime is 20042152646743. The reversal of 20042152646723 is 32764625124002.

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 20042152646723 - 2⁴ = 20042152646707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20042152646743) 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, 389288 + ... + 6343173.

It is an arithmetic number, because the mean of its divisors is an integer number (2513537757852).

Almost surely, 2^{20042152646723} is an apocalyptic number.

20042152646723 is a deficient number, since it is larger than the sum of its proper divisors (66149416093).

20042152646723 is an equidigital number, since it uses as much as digits as its factorization.

20042152646723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6742285.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 20042152646723 in words is "twenty trillion, forty-two billion, one hundred fifty-two million, six hundred forty-six thousand, seven hundred twenty-three".