220022400642 has 16 divisors (see below), whose sum is σ = 480048874272. Its totient is φ = 66673454720.

The previous prime is 220022400617. The next prime is 220022400673. The reversal of 220022400642 is 246004220022.

220022400642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666836303 + ... + 1666836434.

It is an arithmetic number, because the mean of its divisors is an integer number (30003054642).

Almost surely, 2^220022400642 is an apocalyptic number.

220022400642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220022400642 is an abundant number, since it is smaller than the sum of its proper divisors (260026473630).

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

220022400642 is a wasteful number, since it uses less digits than its factorization.

220022400642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333672753.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 220022400642 its reverse (246004220022), we get a palindrome (466026620664).

The spelling of 220022400642 in words is "two hundred twenty billion, twenty-two million, four hundred thousand, six hundred forty-two".