2020122021 has 8 divisors (see below), whose sum is σ = 2693705920. Its totient is φ = 1346643072.

The previous prime is 2020122017. The next prime is 2020122023. The reversal of 2020122021 is 1202210202.

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

It is not a de Polignac number, because 2020122021 - 2² = 2020122017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020121988 and 2020122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020122023) 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, 52056 + ... + 82158.

It is an arithmetic number, because the mean of its divisors is an integer number (336713240).

Almost surely, 2^2020122021 is an apocalyptic number.

It is an amenable number.

2020122021 is a deficient number, since it is larger than the sum of its proper divisors (673583899).

2020122021 is a wasteful number, since it uses less digits than its factorization.

2020122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52475.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2020122021 is about 44945.7675537975. The cubic root of 2020122021 is about 1264.1323177474.

Adding to 2020122021 its reverse (1202210202), we get a palindrome (3222332223).

The spelling of 2020122021 in words is "two billion, twenty million, one hundred twenty-two thousand, twenty-one".