20344513056629 has 8 divisors (see below), whose sum is σ = 20500938057600. Its totient is φ = 20188686240000.

The previous prime is 20344513056619. The next prime is 20344513056631. The reversal of 20344513056629 is 92665031544302.

It is a happy number.

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 20344513056629 - 2³² = 20340218089333 is a prime.

It is a super-2 number, since 2×20344513056629² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20344513056619) 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, 149477804 + ... + 149613845.

It is an arithmetic number, because the mean of its divisors is an integer number (2562617257200).

Almost surely, 2^{20344513056629} is an apocalyptic number.

It is an amenable number.

20344513056629 is a deficient number, since it is larger than the sum of its proper divisors (156425000971).

20344513056629 is a wasteful number, since it uses less digits than its factorization.

20344513056629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299092171.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 20344513056629 in words is "twenty trillion, three hundred forty-four billion, five hundred thirteen million, fifty-six thousand, six hundred twenty-nine".