20144200042 has 8 divisors (see below), whose sum is σ = 30217136256. Its totient is φ = 10071821292.

The previous prime is 20144199983. The next prime is 20144200051. The reversal of 20144200042 is 24000244102.

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

It is a super-2 number, since 2×20144200042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20144199992 and 20144200019.

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, 32698 + ... + 203365.

It is an arithmetic number, because the mean of its divisors is an integer number (3777142032).

Almost surely, 2^20144200042 is an apocalyptic number.

20144200042 is a deficient number, since it is larger than the sum of its proper divisors (10072936214).

20144200042 is a wasteful number, since it uses less digits than its factorization.

20144200042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278732.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 20144200042 its reverse (24000244102), we get a palindrome (44144444144).

The spelling of 20144200042 in words is "twenty billion, one hundred forty-four million, two hundred thousand, forty-two".