20344511332326 has 16 divisors (see below), whose sum is σ = 40744532936304. Its totient is φ = 6772252065504.

The previous prime is 20344511332303. The next prime is 20344511332331. The reversal of 20344511332326 is 62323311544302.

It is a super-2 number, since 2×20344511332326² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312923221 + ... + 2312932016.

It is an arithmetic number, because the mean of its divisors is an integer number (2546533308519).

Almost surely, 2^{20344511332326} is an apocalyptic number.

20344511332326 is an abundant number, since it is smaller than the sum of its proper divisors (20400021603978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20344511332326 is a wasteful number, since it uses less digits than its factorization.

20344511332326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4625855975.

The product of its (nonzero) digits is 311040, while the sum is 39.

Adding to 20344511332326 its reverse (62323311544302), we get a palindrome (82667822876628).

The spelling of 20344511332326 in words is "twenty trillion, three hundred forty-four billion, five hundred eleven million, three hundred thirty-two thousand, three hundred twenty-six".