20855124903096 has 1536 divisors, whose sum is σ = 70366593024000. Its totient is φ = 5725139097600.

The previous prime is 20855124903083. The next prime is 20855124903191. The reversal of 20855124903096 is 69030942155802.

20855124903096 is a `hidden beast` number, since 2 + 0 + 8 + 5 + 512 + 4 + 9 + 0 + 30 + 96 = 666.

It is a super-3 number, since 3×20855124903096³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 91070414310 + ... + 91070414538.

It is an arithmetic number, because the mean of its divisors is an integer number (45811584000).

Almost surely, 2^{20855124903096} 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 20855124903096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35183296512000).

20855124903096 is an abundant number, since it is smaller than the sum of its proper divisors (49511468120904).

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

20855124903096 is a wasteful number, since it uses less digits than its factorization.

20855124903096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 20855124903096 in words is "twenty trillion, eight hundred fifty-five billion, one hundred twenty-four million, nine hundred three thousand, ninety-six".