201220413442 has 8 divisors (see below), whose sum is σ = 309192342732. Its totient is φ = 98156299200.

The previous prime is 201220413437. The next prime is 201220413469. The reversal of 201220413442 is 244314022102.

201220413442 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 2 ways, for example, as 160080810201 + 41139603241 = 400101^2 + 202829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1226953659 + ... + 1226953822.

Almost surely, 2^201220413442 is an apocalyptic number.

201220413442 is a deficient number, since it is larger than the sum of its proper divisors (107971929290).

201220413442 is a wasteful number, since it uses less digits than its factorization.

201220413442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2453907524.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 201220413442 its reverse (244314022102), we get a palindrome (445534435544).

The spelling of 201220413442 in words is "two hundred one billion, two hundred twenty million, four hundred thirteen thousand, four hundred forty-two".