2020142 has 8 divisors (see below), whose sum is σ = 3051000. Its totient is φ = 1003144.

The previous prime is 2020091. The next prime is 2020147. The reversal of 2020142 is 2410202.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3092 + ... + 3687.

It is an arithmetic number, because the mean of its divisors is an integer number (381375).

2^2020142 is an apocalyptic number.

2020142 is a deficient number, since it is larger than the sum of its proper divisors (1030858).

2020142 is a wasteful number, since it uses less digits than its factorization.

2020142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2020142 is about 1421.3169949030. The cubic root of 2020142 is about 126.4136485155.

Adding to 2020142 its reverse (2410202), we get a palindrome (4430344).

The spelling of 2020142 in words is "two million, twenty thousand, one hundred forty-two".