20024220042202 has 4 divisors (see below), whose sum is σ = 30036330063306. Its totient is φ = 10012110021100.

The previous prime is 20024220042179. The next prime is 20024220042263. The reversal of 20024220042202 is 20224002242002.

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., 19965427856361 + 58792185841 = 4468269^2 + 242471^2 .

It is a super-2 number, since 2×20024220042202² (a number of 27 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 5006055010549 + ... + 5006055010552.

Almost surely, 2^{20024220042202} is an apocalyptic number.

20024220042202 is a deficient number, since it is larger than the sum of its proper divisors (10012110021104).

20024220042202 is a wasteful number, since it uses less digits than its factorization.

20024220042202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10012110021103.

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

Adding to 20024220042202 its reverse (20224002242002), we get a palindrome (40248222284204).

The spelling of 20024220042202 in words is "twenty trillion, twenty-four billion, two hundred twenty million, forty-two thousand, two hundred two".