20324202122413 has 4 divisors (see below), whose sum is σ = 23227659568480. Its totient is φ = 17420744676348.

The previous prime is 20324202122369. The next prime is 20324202122437. The reversal of 20324202122413 is 31422120242302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20324202122413 - 2¹³ = 20324202114221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20324202122813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451728723023 + ... + 1451728723036.

It is an arithmetic number, because the mean of its divisors is an integer number (5806914892120).

Almost surely, 2^{20324202122413} is an apocalyptic number.

It is an amenable number.

20324202122413 is a deficient number, since it is larger than the sum of its proper divisors (2903457446067).

20324202122413 is an equidigital number, since it uses as much as digits as its factorization.

20324202122413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2903457446066.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20324202122413 its reverse (31422120242302), we get a palindrome (51746322364715).

The spelling of 20324202122413 in words is "twenty trillion, three hundred twenty-four billion, two hundred two million, one hundred twenty-two thousand, four hundred thirteen".