220142100434 has 4 divisors (see below), whose sum is σ = 330213150654. Its totient is φ = 110071050216.

The previous prime is 220142100401. The next prime is 220142100487. The reversal of 220142100434 is 434001241022.

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., 166802812225 + 53339288209 = 408415^2 + 230953^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55035525107 + ... + 55035525110.

Almost surely, 2^220142100434 is an apocalyptic number.

220142100434 is a deficient number, since it is larger than the sum of its proper divisors (110071050220).

220142100434 is a wasteful number, since it uses less digits than its factorization.

220142100434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110071050219.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 220142100434 its reverse (434001241022), we get a palindrome (654143341456).

The spelling of 220142100434 in words is "two hundred twenty billion, one hundred forty-two million, one hundred thousand, four hundred thirty-four".