20146645024313 has 8 divisors (see below), whose sum is σ = 20213948332032. Its totient is φ = 20079386220096.

The previous prime is 20146645024241. The next prime is 20146645024351. The reversal of 20146645024313 is 31342054664102.

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 20146645024313 - 2¹² = 20146645020217 is a prime.

It is a super-2 number, since 2×20146645024313² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20146645024393) 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, 10218845 + ... + 12029882.

It is an arithmetic number, because the mean of its divisors is an integer number (2526743541504).

Almost surely, 2^{20146645024313} is an apocalyptic number.

It is an amenable number.

20146645024313 is a deficient number, since it is larger than the sum of its proper divisors (67303307719).

20146645024313 is a wasteful number, since it uses less digits than its factorization.

20146645024313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22251751.

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 20146645024313 its reverse (31342054664102), we get a palindrome (51488699688415).

The spelling of 20146645024313 in words is "twenty trillion, one hundred forty-six billion, six hundred forty-five million, twenty-four thousand, three hundred thirteen".