220051331442 has 48 divisors (see below), whose sum is σ = 485899411608. Its totient is φ = 71947848960.

The previous prime is 220051331429. The next prime is 220051331453. The reversal of 220051331442 is 244133150022.

220051331442 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 513 + 3 + 144 + 2 = 666.

220051331442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 86847500601 + 133203830841 = 294699^2 + 364971^2 .

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 23 ways as a sum of consecutive naturals, for example, 3934192 + ... + 3989732.

Almost surely, 2^220051331442 is an apocalyptic number.

220051331442 is an abundant number, since it is smaller than the sum of its proper divisors (265848080166).

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

220051331442 is a wasteful number, since it uses less digits than its factorization.

220051331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59755 (or 59752 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 220051331442 its reverse (244133150022), we get a palindrome (464184481464).

The spelling of 220051331442 in words is "two hundred twenty billion, fifty-one million, three hundred thirty-one thousand, four hundred forty-two".