220402004018 has 24 divisors (see below), whose sum is σ = 384633514800. Its totient is φ = 94444613928.

The previous prime is 220402003999. The next prime is 220402004029. The reversal of 220402004018 is 810400204022.

It is a happy number.

220402004018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220402003984 and 220402004002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 551693 + ... + 863231.

It is an arithmetic number, because the mean of its divisors is an integer number (16026396450).

Almost surely, 2^220402004018 is an apocalyptic number.

220402004018 is a deficient number, since it is larger than the sum of its proper divisors (164231510782).

220402004018 is a wasteful number, since it uses less digits than its factorization.

220402004018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318774 (or 318767 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The spelling of 220402004018 in words is "two hundred twenty billion, four hundred two million, four thousand, eighteen".