20343726217254 has 64 divisors (see below), whose sum is σ = 44866883093760. Its totient is φ = 6098131440000.

The previous prime is 20343726217231. The next prime is 20343726217261. The reversal of 20343726217254 is 45271262734302.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5873952 + ... + 8671260.

It is an arithmetic number, because the mean of its divisors is an integer number (701045048340).

Almost surely, 2^{20343726217254} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20343726217254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22433441546880).

20343726217254 is an abundant number, since it is smaller than the sum of its proper divisors (24523156876506).

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

20343726217254 is a wasteful number, since it uses less digits than its factorization.

20343726217254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798517.

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 20343726217254 in words is "twenty trillion, three hundred forty-three billion, seven hundred twenty-six million, two hundred seventeen thousand, two hundred fifty-four".