20420023300018 has 16 divisors (see below), whose sum is σ = 32325026760000. Its totient is φ = 9647777203632.

The previous prime is 20420023299989. The next prime is 20420023300049. The reversal of 20420023300018 is 81000332002402.

It is a junction number, because it is equal to n+sod(n) for n = 20420023299965 and 20420023300001.

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, 690690918 + ... + 690720481.

It is an arithmetic number, because the mean of its divisors is an integer number (2020314172500).

Almost surely, 2^{20420023300018} is an apocalyptic number.

20420023300018 is a deficient number, since it is larger than the sum of its proper divisors (11905003459982).

20420023300018 is a wasteful number, since it uses less digits than its factorization.

20420023300018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381411809.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 20420023300018 in words is "twenty trillion, four hundred twenty billion, twenty-three million, three hundred thousand, eighteen".