20143103919552 has 336 divisors, whose sum is σ = 63683914694400. Its totient is φ = 6059437424640.

The previous prime is 20143103919511. The next prime is 20143103919581. The reversal of 20143103919552 is 25591930134102.

20143103919552 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 3 + 1 + 0 + 3 + 91 + 9 + 552 = 666.

It is a super-2 number, since 2×20143103919552² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20143103919498 and 20143103919507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32782774 + ... + 33391562.

It is an arithmetic number, because the mean of its divisors is an integer number (189535460400).

Almost surely, 2^{20143103919552} 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 20143103919552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31841957347200).

20143103919552 is an abundant number, since it is smaller than the sum of its proper divisors (43540810774848).

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

20143103919552 is a wasteful number, since it uses less digits than its factorization.

20143103919552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608964 (or 608951 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The spelling of 20143103919552 in words is "twenty trillion, one hundred forty-three billion, one hundred three million, nine hundred nineteen thousand, five hundred fifty-two".