20623244654441 has 8 divisors (see below), whose sum is σ = 24228707006784. Its totient is φ = 17306219290320.

The previous prime is 20623244654431. The next prime is 20623244654447. The reversal of 20623244654441 is 14445644232602.

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

It is a cyclic number.

It is not a de Polignac number, because 20623244654441 - 2⁴² = 16225198143337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20623244654447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72109246901 + ... + 72109247186.

It is an arithmetic number, because the mean of its divisors is an integer number (3028588375848).

Almost surely, 2^{20623244654441} is an apocalyptic number.

It is an amenable number.

20623244654441 is a deficient number, since it is larger than the sum of its proper divisors (3605462352343).

20623244654441 is a wasteful number, since it uses less digits than its factorization.

20623244654441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144218494111.

The product of its (nonzero) digits is 4423680, while the sum is 47.

The spelling of 20623244654441 in words is "twenty trillion, six hundred twenty-three billion, two hundred forty-four million, six hundred fifty-four thousand, four hundred forty-one".