220020402416 has 20 divisors (see below), whose sum is σ = 440040805824. Its totient is φ = 106461484800.

The previous prime is 220020402403. The next prime is 220020402449. The reversal of 220020402416 is 614204020022.

220020402416 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 220020402391 and 220020402400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221794265 + ... + 221795256.

Almost surely, 2^220020402416 is an apocalyptic number.

It is an amenable number.

220020402416 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220020402416 is a wasteful number, since it uses less digits than its factorization.

220020402416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443589560 (or 443589554 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 220020402416 its reverse (614204020022), we get a palindrome (834224422438).

The spelling of 220020402416 in words is "two hundred twenty billion, twenty million, four hundred two thousand, four hundred sixteen".