20424142243162 has 8 divisors (see below), whose sum is σ = 35012815274016. Its totient is φ = 8753203818492.

The previous prime is 20424142243123. The next prime is 20424142243171. The reversal of 20424142243162 is 26134224142402.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729433651528 + ... + 729433651555.

It is an arithmetic number, because the mean of its divisors is an integer number (4376601909252).

Almost surely, 2^{20424142243162} is an apocalyptic number.

20424142243162 is a deficient number, since it is larger than the sum of its proper divisors (14588673030854).

20424142243162 is a wasteful number, since it uses less digits than its factorization.

20424142243162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458867303092.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 20424142243162 its reverse (26134224142402), we get a palindrome (46558366385564).

The spelling of 20424142243162 in words is "twenty trillion, four hundred twenty-four billion, one hundred forty-two million, two hundred forty-three thousand, one hundred sixty-two".