20423455444022 has 8 divisors (see below), whose sum is σ = 30689597347416. Its totient is φ = 10193589661552.

The previous prime is 20423455443991. The next prime is 20423455444043. The reversal of 20423455444022 is 22044455432402.

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, 9069028823 + ... + 9069031074.

It is an arithmetic number, because the mean of its divisors is an integer number (3836199668427).

Almost surely, 2^{20423455444022} is an apocalyptic number.

20423455444022 is a deficient number, since it is larger than the sum of its proper divisors (10266141903394).

20423455444022 is a wasteful number, since it uses less digits than its factorization.

20423455444022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18138060462.

The product of its (nonzero) digits is 1228800, while the sum is 41.

The spelling of 20423455444022 in words is "twenty trillion, four hundred twenty-three billion, four hundred fifty-five million, four hundred forty-four thousand, twenty-two".