220421344200042 has 64 divisors (see below), whose sum is σ = 468298782420480. Its totient is φ = 69045587400384.

The previous prime is 220421344199977. The next prime is 220421344200067. The reversal of 220421344200042 is 240002443124022.

It is a happy number.

220421344200042 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220421344199982 and 220421344200009.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49932448 + ... + 54167259.

It is an arithmetic number, because the mean of its divisors is an integer number (7317168475320).

Almost surely, 2^{220421344200042} is an apocalyptic number.

220421344200042 is an abundant number, since it is smaller than the sum of its proper divisors (247877438220438).

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

220421344200042 is a wasteful number, since it uses less digits than its factorization.

220421344200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104100067.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 220421344200042 its reverse (240002443124022), we get a palindrome (460423787324064).

The spelling of 220421344200042 in words is "two hundred twenty trillion, four hundred twenty-one billion, three hundred forty-four million, two hundred thousand, forty-two".