142224140020 has 48 divisors (see below), whose sum is σ = 311382973440. Its totient is φ = 54518196096.

The previous prime is 142224139963. The next prime is 142224140021. The reversal of 142224140020 is 20041422241.

It is a junction number, because it is equal to n+sod(n) for n = 142224139973 and 142224140000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142224140021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1514580 + ... + 1605739.

It is an arithmetic number, because the mean of its divisors is an integer number (6487145280).

Almost surely, 2^142224140020 is an apocalyptic number.

142224140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142224140020 is an abundant number, since it is smaller than the sum of its proper divisors (169158833420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142224140020 is a wasteful number, since it uses less digits than its factorization.

142224140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120424 (or 3120422 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 142224140020 its reverse (20041422241), we get a palindrome (162265562261).

The spelling of 142224140020 in words is "one hundred forty-two billion, two hundred twenty-four million, one hundred forty thousand, twenty".