20423114440030 has 16 divisors (see below), whose sum is σ = 36761936735520. Its totient is φ = 8169172277472.

The previous prime is 20423114440009. The next prime is 20423114440073. The reversal of 20423114440030 is 3004441132402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8013114 + ... + 10249693.

It is an arithmetic number, because the mean of its divisors is an integer number (2297621045970).

Almost surely, 2^{20423114440030} is an apocalyptic number.

20423114440030 is a deficient number, since it is larger than the sum of its proper divisors (16338822295490).

20423114440030 is a wasteful number, since it uses less digits than its factorization.

20423114440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18374643.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20423114440030 its reverse (3004441132402), we get a palindrome (23427555572432).

The spelling of 20423114440030 in words is "twenty trillion, four hundred twenty-three billion, one hundred fourteen million, four hundred forty thousand, thirty".