20154324420714 has 96 divisors (see below), whose sum is σ = 44364311409600. Its totient is φ = 6099365733120.

The previous prime is 20154324420709. The next prime is 20154324420757. The reversal of 20154324420714 is 41702442345102.

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, 3622920897 + ... + 3622926459.

It is an arithmetic number, because the mean of its divisors is an integer number (462128243850).

Almost surely, 2^{20154324420714} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20154324420714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22182155704800).

20154324420714 is an abundant number, since it is smaller than the sum of its proper divisors (24209986988886).

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

20154324420714 is a wasteful number, since it uses less digits than its factorization.

20154324420714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11236 (or 11225 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

Adding to 20154324420714 its reverse (41702442345102), we get a palindrome (61856766765816).

The spelling of 20154324420714 in words is "twenty trillion, one hundred fifty-four billion, three hundred twenty-four million, four hundred twenty thousand, seven hundred fourteen".