2000421421 has 8 divisors (see below), whose sum is σ = 2070565920. Its totient is φ = 1930354608.

The previous prime is 2000421407. The next prime is 2000421439. The reversal of 2000421421 is 1241240002.

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

It is not a de Polignac number, because 2000421421 - 2²¹ = 1998324269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000421395 and 2000421404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000421121) 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, 35670 + ... + 72616.

It is an arithmetic number, because the mean of its divisors is an integer number (258820740).

Almost surely, 2^2000421421 is an apocalyptic number.

It is an amenable number.

2000421421 is a deficient number, since it is larger than the sum of its proper divisors (70144499).

2000421421 is a wasteful number, since it uses less digits than its factorization.

2000421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38843.

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

The square root of 2000421421 is about 44726.0709318402. The cubic root of 2000421421 is about 1260.0095365449.

Adding to 2000421421 its reverse (1241240002), we get a palindrome (3241661423).

The spelling of 2000421421 in words is "two billion, four hundred twenty-one thousand, four hundred twenty-one".