20123310330324 has 144 divisors (see below), whose sum is σ = 53819908222080. Its totient is φ = 6572714855040.

The previous prime is 20123310330283. The next prime is 20123310330329. The reversal of 20123310330324 is 42303301332102.

20123310330324 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 3 + 3 + 1 + 0 + 330 + 324 = 666.

It is a super-2 number, since 2×20123310330324² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20123310330329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14948562 + ... + 16239030.

Almost surely, 2^{20123310330324} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20123310330324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26909954111040).

20123310330324 is an abundant number, since it is smaller than the sum of its proper divisors (33696597891756).

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

20123310330324 is a wasteful number, since it uses less digits than its factorization.

20123310330324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290812 (or 1290798 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 20123310330324 its reverse (42303301332102), we get a palindrome (62426611662426).

The spelling of 20123310330324 in words is "twenty trillion, one hundred twenty-three billion, three hundred ten million, three hundred thirty thousand, three hundred twenty-four".