20224202224442 has 4 divisors (see below), whose sum is σ = 30336303336666. Its totient is φ = 10112101112220.

The previous prime is 20224202224327. The next prime is 20224202224507. The reversal of 20224202224442 is 24442220242202.

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., 17823434811961 + 2400767412481 = 4221781^2 + 1549441^2 .

It is a super-2 number, since 2×20224202224442² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20224202224399 and 20224202224408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056050556109 + ... + 5056050556112.

Almost surely, 2^{20224202224442} is an apocalyptic number.

20224202224442 is a deficient number, since it is larger than the sum of its proper divisors (10112101112224).

20224202224442 is a wasteful number, since it uses less digits than its factorization.

20224202224442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10112101112223.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 20224202224442 its reverse (24442220242202), we get a palindrome (44666422466644).

The spelling of 20224202224442 in words is "twenty trillion, two hundred twenty-four billion, two hundred two million, two hundred twenty-four thousand, four hundred forty-two".