2020202123 has 4 divisors (see below), whose sum is σ = 2139037560. Its totient is φ = 1901366688.

The previous prime is 2020202111. The next prime is 2020202131. The reversal of 2020202123 is 3212020202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2020202123 - 2⁸ = 2020201867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020202098 and 2020202107.

It is not an unprimeable number, because it can be changed into a prime (2020202153) 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 3 ways as a sum of consecutive naturals, for example, 59417693 + ... + 59417726.

It is an arithmetic number, because the mean of its divisors is an integer number (534759390).

Almost surely, 2^2020202123 is an apocalyptic number.

2020202123 is a deficient number, since it is larger than the sum of its proper divisors (118835437).

2020202123 is a wasteful number, since it uses less digits than its factorization.

2020202123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118835436.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 2020202123 is about 44946.6586411048. The cubic root of 2020202123 is about 1264.1490260102.

Adding to 2020202123 its reverse (3212020202), we get a palindrome (5232222325).

The spelling of 2020202123 in words is "two billion, twenty million, two hundred two thousand, one hundred twenty-three".