20423014443202 has 16 divisors (see below), whose sum is σ = 35014785661440. Its totient is φ = 8751744535968.

The previous prime is 20423014443163. The next prime is 20423014443217. The reversal of 20423014443202 is 20234441032402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81198258 + ... + 81449389.

It is an arithmetic number, because the mean of its divisors is an integer number (2188424103840).

Almost surely, 2^{20423014443202} is an apocalyptic number.

20423014443202 is a deficient number, since it is larger than the sum of its proper divisors (14591771218238).

20423014443202 is a wasteful number, since it uses less digits than its factorization.

20423014443202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162656625.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 20423014443202 its reverse (20234441032402), we get a palindrome (40657455475604).

The spelling of 20423014443202 in words is "twenty trillion, four hundred twenty-three billion, fourteen million, four hundred forty-three thousand, two hundred two".