220404400004 has 24 divisors (see below), whose sum is σ = 391256526528. Its totient is φ = 108617744480.

The previous prime is 220404399997. The next prime is 220404400043. The reversal of 220404400004 is 400004404022.

It is a super-2 number, since 2×220404400004² (a number of 23 digits) contains 22 as substring.

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, 855599 + ... + 1082985.

It is an arithmetic number, because the mean of its divisors is an integer number (16302355272).

Almost surely, 2^220404400004 is an apocalyptic number.

It is an amenable number.

220404400004 is a deficient number, since it is larger than the sum of its proper divisors (170852126524).

220404400004 is a wasteful number, since it uses less digits than its factorization.

220404400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230875 (or 230873 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 220404400004 its reverse (400004404022), we get a palindrome (620408804026).

The spelling of 220404400004 in words is "two hundred twenty billion, four hundred four million, four hundred thousand, four".