2020430621 has 32 divisors (see below), whose sum is σ = 2305594368. Its totient is φ = 1754403840.

The previous prime is 2020430597. The next prime is 2020430623. The reversal of 2020430621 is 1260340202.

It is not a de Polignac number, because 2020430621 - 2¹⁴ = 2020414237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020430593 and 2020430602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020430623) 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 31 ways as a sum of consecutive naturals, for example, 9060116 + ... + 9060338.

It is an arithmetic number, because the mean of its divisors is an integer number (72049824).

Almost surely, 2^2020430621 is an apocalyptic number.

It is an amenable number.

2020430621 is a deficient number, since it is larger than the sum of its proper divisors (285163747).

2020430621 is a wasteful number, since it uses less digits than its factorization.

2020430621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2020430621 is about 44949.2004489513. The cubic root of 2020430621 is about 1264.1966853724.

Adding to 2020430621 its reverse (1260340202), we get a palindrome (3280770823).

The spelling of 2020430621 in words is "two billion, twenty million, four hundred thirty thousand, six hundred twenty-one".