142016020 has 24 divisors (see below), whose sum is σ = 299048904. Its totient is φ = 56651136.

The previous prime is 142016003. The next prime is 142016023. The reversal of 142016020 is 20610241.

It can be written as a sum of positive squares in 4 ways, for example, as 24964 + 141991056 = 158^2 + 11916^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142015985 and 142016003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142016023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2059 + ... + 16978.

It is an arithmetic number, because the mean of its divisors is an integer number (12460371).

Almost surely, 2^142016020 is an apocalyptic number.

142016020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142016020 is an abundant number, since it is smaller than the sum of its proper divisors (157032884).

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

142016020 is a wasteful number, since it uses less digits than its factorization.

142016020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19419 (or 19417 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 142016020 is about 11917.0474531236. The cubic root of 142016020 is about 521.7299631380.

Adding to 142016020 its reverse (20610241), we get a palindrome (162626261).

The spelling of 142016020 in words is "one hundred forty-two million, sixteen thousand, twenty".