220420442004 has 48 divisors (see below), whose sum is σ = 587826169728. Its totient is φ = 62973163008.

The previous prime is 220420441951. The next prime is 220420442023. The reversal of 220420442004 is 400244024022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1353744 + ... + 1507800.

It is an arithmetic number, because the mean of its divisors is an integer number (12246378536).

Almost surely, 2^220420442004 is an apocalyptic number.

It is an amenable number.

220420442004 is an abundant number, since it is smaller than the sum of its proper divisors (367405727724).

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

220420442004 is a wasteful number, since it uses less digits than its factorization.

220420442004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171104 (or 171102 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 220420442004 its reverse (400244024022), we get a palindrome (620664466026).

The spelling of 220420442004 in words is "two hundred twenty billion, four hundred twenty million, four hundred forty-two thousand, four".