220449906004 has 48 divisors (see below), whose sum is σ = 399005913600. Its totient is φ = 106511429376.

The previous prime is 220449905953. The next prime is 220449906031. The reversal of 220449906004 is 400609944022.

It is a super-2 number, since 2×220449906004² (a number of 23 digits) contains 22 as substring.

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, 11853697 + ... + 11872279.

It is an arithmetic number, because the mean of its divisors is an integer number (8312623200).

Almost surely, 2^220449906004 is an apocalyptic number.

It is an amenable number.

220449906004 is a deficient number, since it is larger than the sum of its proper divisors (178556007596).

220449906004 is a wasteful number, since it uses less digits than its factorization.

220449906004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19432 (or 19430 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 220449906004 in words is "two hundred twenty billion, four hundred forty-nine million, nine hundred six thousand, four".