20546221422623 has 8 divisors (see below), whose sum is σ = 22160174586816. Its totient is φ = 18937050343200.

The previous prime is 20546221422553. The next prime is 20546221422653. The reversal of 20546221422623 is 32622412264502.

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 20546221422623 - 2¹⁴ = 20546221406239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20546221422653) 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, 1195512263 + ... + 1195529448.

It is an arithmetic number, because the mean of its divisors is an integer number (2770021823352).

Almost surely, 2^{20546221422623} is an apocalyptic number.

20546221422623 is a deficient number, since it is larger than the sum of its proper divisors (1613953164193).

20546221422623 is a wasteful number, since it uses less digits than its factorization.

20546221422623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391042385.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 20546221422623 in words is "twenty trillion, five hundred forty-six billion, two hundred twenty-one million, four hundred twenty-two thousand, six hundred twenty-three".