20220224204242 has 4 divisors (see below), whose sum is σ = 30330336306366. Its totient is φ = 10110112102120.

The previous prime is 20220224204189. The next prime is 20220224204273. The reversal of 20220224204242 is 24240242202202.

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., 11483701115121 + 8736523089121 = 3388761^2 + 2955761^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20220224204242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055056051059 + ... + 5055056051062.

Almost surely, 2^{20220224204242} is an apocalyptic number.

20220224204242 is a deficient number, since it is larger than the sum of its proper divisors (10110112102124).

20220224204242 is a wasteful number, since it uses less digits than its factorization.

20220224204242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110112102123.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 20220224204242 its reverse (24240242202202), we get a palindrome (44460466406444).

The spelling of 20220224204242 in words is "twenty trillion, two hundred twenty billion, two hundred twenty-four million, two hundred four thousand, two hundred forty-two".