20050142342 has 8 divisors (see below), whose sum is σ = 30808755432. Its totient is φ = 9780557200.

The previous prime is 20050142323. The next prime is 20050142347. The reversal of 20050142342 is 24324105002.

It is a happy number.

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

It is a super-2 number, since 2×20050142342² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050142347) 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, 122256884 + ... + 122257047.

It is an arithmetic number, because the mean of its divisors is an integer number (3851094429).

Almost surely, 2^20050142342 is an apocalyptic number.

20050142342 is a deficient number, since it is larger than the sum of its proper divisors (10758613090).

20050142342 is a wasteful number, since it uses less digits than its factorization.

20050142342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244513974.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20050142342 its reverse (24324105002), we get a palindrome (44374247344).

The spelling of 20050142342 in words is "twenty billion, fifty million, one hundred forty-two thousand, three hundred forty-two".