20602266242 has 8 divisors (see below), whose sum is σ = 31026521232. Its totient is φ = 10260092500.

The previous prime is 20602266229. The next prime is 20602266247. The reversal of 20602266242 is 24266220602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20602266199 and 20602266208.

It is not an unprimeable number, because it can be changed into a prime (20602266247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20519684 + ... + 20520687.

It is an arithmetic number, because the mean of its divisors is an integer number (3878315154).

Almost surely, 2^20602266242 is an apocalyptic number.

20602266242 is a deficient number, since it is larger than the sum of its proper divisors (10424254990).

20602266242 is a wasteful number, since it uses less digits than its factorization.

20602266242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41040624.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 20602266242 its reverse (24266220602), we get a palindrome (44868486844).

The spelling of 20602266242 in words is "twenty billion, six hundred two million, two hundred sixty-six thousand, two hundred forty-two".