20155301141344 has 96 divisors (see below), whose sum is σ = 41997677589504. Its totient is φ = 9501801576960.

The previous prime is 20155301141341. The next prime is 20155301141369. The reversal of 20155301141344 is 44314110355102.

It is a super-2 number, since 2×20155301141344² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20155301141341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277077202 + ... + 277149934.

It is an arithmetic number, because the mean of its divisors is an integer number (437475808224).

Almost surely, 2^{20155301141344} 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 20155301141344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20998838794752).

20155301141344 is an abundant number, since it is smaller than the sum of its proper divisors (21842376448160).

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

20155301141344 is a wasteful number, since it uses less digits than its factorization.

20155301141344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78140 (or 78132 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 20155301141344 its reverse (44314110355102), we get a palindrome (64469411496446).

The spelling of 20155301141344 in words is "twenty trillion, one hundred fifty-five billion, three hundred one million, one hundred forty-one thousand, three hundred forty-four".