20242142220011 has 16 divisors (see below), whose sum is σ = 20511830068704. Its totient is φ = 19974067513344.

The previous prime is 20242142220007. The next prime is 20242142220017. The reversal of 20242142220011 is 11002224124202.

It is a cyclic number.

It is not a de Polignac number, because 20242142220011 - 2² = 20242142220007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20242142220017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199444100 + ... + 199545566.

It is an arithmetic number, because the mean of its divisors is an integer number (1281989379294).

Almost surely, 2^{20242142220011} is an apocalyptic number.

20242142220011 is a deficient number, since it is larger than the sum of its proper divisors (269687848693).

20242142220011 is a wasteful number, since it uses less digits than its factorization.

20242142220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109390.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 20242142220011 its reverse (11002224124202), we get a palindrome (31244366344213).

The spelling of 20242142220011 in words is "twenty trillion, two hundred forty-two billion, one hundred forty-two million, two hundred twenty thousand, eleven".