20343204322254 has 48 divisors (see below), whose sum is σ = 48113748496944. Its totient is φ = 6160785446400.

The previous prime is 20343204322249. The next prime is 20343204322307. The reversal of 20343204322254 is 45222340234302.

20343204322254 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 320 + 4 + 322 + 2 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31529187 + ... + 32167934.

It is an arithmetic number, because the mean of its divisors is an integer number (1002369760353).

Almost surely, 2^{20343204322254} is an apocalyptic number.

20343204322254 is an abundant number, since it is smaller than the sum of its proper divisors (27770544174690).

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

20343204322254 is a wasteful number, since it uses less digits than its factorization.

20343204322254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63698753 (or 63698750 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 20343204322254 its reverse (45222340234302), we get a palindrome (65565544556556).

The spelling of 20343204322254 in words is "twenty trillion, three hundred forty-three billion, two hundred four million, three hundred twenty-two thousand, two hundred fifty-four".