220043031242 has 4 divisors (see below), whose sum is σ = 330064546866. Its totient is φ = 110021515620.

The previous prime is 220043031217. The next prime is 220043031259. The reversal of 220043031242 is 242130340022.

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., 220036984561 + 6046681 = 469081^2 + 2459^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55010757809 + ... + 55010757812.

Almost surely, 2^220043031242 is an apocalyptic number.

220043031242 is a deficient number, since it is larger than the sum of its proper divisors (110021515624).

220043031242 is a wasteful number, since it uses less digits than its factorization.

220043031242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110021515623.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 220043031242 its reverse (242130340022), we get a palindrome (462173371264).

The spelling of 220043031242 in words is "two hundred twenty billion, forty-three million, thirty-one thousand, two hundred forty-two".