2021014420 has 24 divisors (see below), whose sum is σ = 4467506400. Its totient is φ = 765857952.

The previous prime is 2021014409. The next prime is 2021014423. The reversal of 2021014420 is 244101202.

It is a junction number, because it is equal to n+sod(n) for n = 2021014394 and 2021014403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021014423) 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 7 ways as a sum of consecutive naturals, for example, 2658850 + ... + 2659609.

It is an arithmetic number, because the mean of its divisors is an integer number (186146100).

Almost surely, 2^2021014420 is an apocalyptic number.

2021014420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021014420 is an abundant number, since it is smaller than the sum of its proper divisors (2446491980).

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

2021014420 is a wasteful number, since it uses less digits than its factorization.

2021014420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318487 (or 5318485 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2021014420 is about 44955.6939663932. The cubic root of 2021014420 is about 1264.3184359339.

Adding to 2021014420 its reverse (244101202), we get a palindrome (2265115622).

The spelling of 2021014420 in words is "two billion, twenty-one million, fourteen thousand, four hundred twenty".