20344331123424 has 384 divisors, whose sum is σ = 74711879746560. Its totient is φ = 5231920896000.

The previous prime is 20344331123411. The next prime is 20344331123437. The reversal of 20344331123424 is 42432113344302.

20344331123424 is a `hidden beast` number, since 20 + 3 + 443 + 31 + 123 + 42 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (20344331123411) and next prime (20344331123437).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5205462 + ... + 8233194.

It is an arithmetic number, because the mean of its divisors is an integer number (194562186840).

Almost surely, 2^{20344331123424} is an apocalyptic number.

20344331123424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20344331123424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37355939873280).

20344331123424 is an abundant number, since it is smaller than the sum of its proper divisors (54367548623136).

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

20344331123424 is a wasteful number, since it uses less digits than its factorization.

20344331123424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027871 (or 3027857 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

Adding to 20344331123424 its reverse (42432113344302), we get a palindrome (62776444467726).

The spelling of 20344331123424 in words is "twenty trillion, three hundred forty-four billion, three hundred thirty-one million, one hundred twenty-three thousand, four hundred twenty-four".