20344020223454 has 8 divisors (see below), whose sum is σ = 30516079621080. Its totient is φ = 10171993683096.

The previous prime is 20344020223441. The next prime is 20344020223523. The reversal of 20344020223454 is 45432202044302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6603209 + ... + 9180980.

It is an arithmetic number, because the mean of its divisors is an integer number (3814509952635).

Almost surely, 2^{20344020223454} is an apocalyptic number.

20344020223454 is a deficient number, since it is larger than the sum of its proper divisors (10172059397626).

20344020223454 is a wasteful number, since it uses less digits than its factorization.

20344020223454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16428634.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 20344020223454 its reverse (45432202044302), we get a palindrome (65776222267756).

The spelling of 20344020223454 in words is "twenty trillion, three hundred forty-four billion, twenty million, two hundred twenty-three thousand, four hundred fifty-four".