220510422254042 has 4 divisors (see below), whose sum is σ = 330765633381066. Its totient is φ = 110255211127020.

The previous prime is 220510422254021. The next prime is 220510422254113. The reversal of 220510422254042 is 240452224015022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 220504650661201 + 5771592841 = 14849399^2 + 75971^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220510422253993 and 220510422254011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55127605563509 + ... + 55127605563512.

Almost surely, 2^{220510422254042} is an apocalyptic number.

220510422254042 is a deficient number, since it is larger than the sum of its proper divisors (110255211127024).

220510422254042 is a wasteful number, since it uses less digits than its factorization.

220510422254042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110255211127023.

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 220510422254042 its reverse (240452224015022), we get a palindrome (460962646269064).

The spelling of 220510422254042 in words is "two hundred twenty trillion, five hundred ten billion, four hundred twenty-two million, two hundred fifty-four thousand, forty-two".