2020020042 has 16 divisors (see below), whose sum is σ = 4042764000. Its totient is φ = 672886032.

The previous prime is 2020020031. The next prime is 2020020049. The reversal of 2020020042 is 2400200202.

It is a happy number.

2020020042 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2020020049) 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, 103792 + ... + 121707.

It is an arithmetic number, because the mean of its divisors is an integer number (252672750).

Almost surely, 2^2020020042 is an apocalyptic number.

2020020042 is an abundant number, since it is smaller than the sum of its proper divisors (2022743958).

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

2020020042 is a wasteful number, since it uses less digits than its factorization.

2020020042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226997.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2020020042 is about 44944.6330722590. The cubic root of 2020020042 is about 1264.1110455804. Note that the first 3 decimals are identical.

Adding to 2020020042 its reverse (2400200202), we get a palindrome (4420220244).

The spelling of 2020020042 in words is "two billion, twenty million, twenty thousand, forty-two".