2020421332 has 6 divisors (see below), whose sum is σ = 3535737338. Its totient is φ = 1010210664.

The previous prime is 2020421327. The next prime is 2020421363. The reversal of 2020421332 is 2331240202.

It can be written as a sum of positive squares in only one way, i.e., 1839895236 + 180526096 = 42894^2 + 13436^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 252552663 + ... + 252552670.

Almost surely, 2^2020421332 is an apocalyptic number.

It is an amenable number.

2020421332 is a deficient number, since it is larger than the sum of its proper divisors (1515316006).

2020421332 is a wasteful number, since it uses less digits than its factorization.

2020421332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505105337 (or 505105335 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2020421332 is about 44949.0971210769. The cubic root of 2020421332 is about 1264.1947479734.

Adding to 2020421332 its reverse (2331240202), we get a palindrome (4351661534).

The spelling of 2020421332 in words is "two billion, twenty million, four hundred twenty-one thousand, three hundred thirty-two".