20418224402 has 8 divisors (see below), whose sum is σ = 30629017200. Its totient is φ = 10208552004.

The previous prime is 20418224399. The next prime is 20418224417. The reversal of 20418224402 is 20442281402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232952 + ... + 308387.

It is an arithmetic number, because the mean of its divisors is an integer number (3828627150).

Almost surely, 2^20418224402 is an apocalyptic number.

20418224402 is a deficient number, since it is larger than the sum of its proper divisors (10210792798).

20418224402 is a wasteful number, since it uses less digits than its factorization.

20418224402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560200.

The product of its (nonzero) digits is 8192, while the sum is 29.

The spelling of 20418224402 in words is "twenty billion, four hundred eighteen million, two hundred twenty-four thousand, four hundred two".