20344161420023 has 16 divisors (see below), whose sum is σ = 24099464520000. Its totient is φ = 16803469600512.

The previous prime is 20344161420013. The next prime is 20344161420047. The reversal of 20344161420023 is 32002416144302.

It is not a de Polignac number, because 20344161420023 - 2¹² = 20344161415927 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 (20344161420013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98342198 + ... + 98548851.

It is an arithmetic number, because the mean of its divisors is an integer number (1506216532500).

Almost surely, 2^{20344161420023} is an apocalyptic number.

20344161420023 is a deficient number, since it is larger than the sum of its proper divisors (3755303099977).

20344161420023 is a wasteful number, since it uses less digits than its factorization.

20344161420023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196891594.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 20344161420023 its reverse (32002416144302), we get a palindrome (52346577564325).

The spelling of 20344161420023 in words is "twenty trillion, three hundred forty-four billion, one hundred sixty-one million, four hundred twenty thousand, twenty-three".