20146712642351 has 8 divisors (see below), whose sum is σ = 20155520779680. Its totient is φ = 20137906349568.

The previous prime is 20146712642347. The next prime is 20146712642389. The reversal of 20146712642351 is 15324621764102.

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 20146712642351 - 2² = 20146712642347 is a prime.

It is a super-2 number, since 2×20146712642351² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20146712641351) 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, 21618710 + ... + 22531356.

It is an arithmetic number, because the mean of its divisors is an integer number (2519440097460).

Almost surely, 2^{20146712642351} is an apocalyptic number.

20146712642351 is a deficient number, since it is larger than the sum of its proper divisors (8808137329).

20146712642351 is an equidigital number, since it uses as much as digits as its factorization.

20146712642351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922273.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 20146712642351 in words is "twenty trillion, one hundred forty-six billion, seven hundred twelve million, six hundred forty-two thousand, three hundred fifty-one".