242204020402 has 4 divisors (see below), whose sum is σ = 363306030606. Its totient is φ = 121102010200.

The previous prime is 242204020369. The next prime is 242204020411. The reversal of 242204020402 is 204020402242.

It is a happy number.

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., 170958267841 + 71245752561 = 413471^2 + 266919^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551005099 + ... + 60551005102.

Almost surely, 2^242204020402 is an apocalyptic number.

242204020402 is a deficient number, since it is larger than the sum of its proper divisors (121102010204).

242204020402 is a wasteful number, since it uses less digits than its factorization.

242204020402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121102010203.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 242204020402 its reverse (204020402242), we get a palindrome (446224422644).

It can be divided in two parts, 2422040 and 20402, that added together give a palindrome (2442442).

The spelling of 242204020402 in words is "two hundred forty-two billion, two hundred four million, twenty thousand, four hundred two".