20452510231326 has 64 divisors (see below), whose sum is σ = 47032010726400. Its totient is φ = 6580352671200.

The previous prime is 20452510231247. The next prime is 20452510231343. The reversal of 20452510231326 is 62313201525402.

20452510231326 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 2 + 510 + 2 + 3 + 132 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2950671 + ... + 7043541.

It is an arithmetic number, because the mean of its divisors is an integer number (734875167600).

Almost surely, 2^{20452510231326} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20452510231326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23516005363200).

20452510231326 is an abundant number, since it is smaller than the sum of its proper divisors (26579500495074).

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

20452510231326 is a wasteful number, since it uses less digits than its factorization.

20452510231326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096102 (or 4096096 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 20452510231326 its reverse (62313201525402), we get a palindrome (82765711756728).

The spelling of 20452510231326 in words is "twenty trillion, four hundred fifty-two billion, five hundred ten million, two hundred thirty-one thousand, three hundred twenty-six".