202403343442 has 16 divisors (see below), whose sum is σ = 322561296792. Its totient is φ = 94923546880.

The previous prime is 202403343427. The next prime is 202403343529. The reversal of 202403343442 is 244343304202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 197055200281 + 5348143161 = 443909^2 + 73131^2 .

It is a super-2 number, since 2×202403343442² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10148809 + ... + 10168732.

Almost surely, 2^202403343442 is an apocalyptic number.

202403343442 is a deficient number, since it is larger than the sum of its proper divisors (120157953350).

202403343442 is a wasteful number, since it uses less digits than its factorization.

202403343442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20317853.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 202403343442 its reverse (244343304202), we get a palindrome (446746647644).

The spelling of 202403343442 in words is "two hundred two billion, four hundred three million, three hundred forty-three thousand, four hundred forty-two".