2030434021 has 48 divisors (see below), whose sum is σ = 2662511040. Its totient is φ = 1530144000.

The previous prime is 2030433971. The next prime is 2030434051. The reversal of 2030434021 is 1204340302.

It is not a de Polignac number, because 2030434021 - 2²⁹ = 1493563109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2030434021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030434051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3071431 + ... + 3072091.

It is an arithmetic number, because the mean of its divisors is an integer number (55468980).

Almost surely, 2^2030434021 is an apocalyptic number.

It is an amenable number.

2030434021 is a deficient number, since it is larger than the sum of its proper divisors (632077019).

2030434021 is a wasteful number, since it uses less digits than its factorization.

2030434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 859 counting only the distinct ones).

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

The square root of 2030434021 is about 45060.3375597654. The cubic root of 2030434021 is about 1266.2796491295.

Adding to 2030434021 its reverse (1204340302), we get a palindrome (3234774323).

The spelling of 2030434021 in words is "two billion, thirty million, four hundred thirty-four thousand, twenty-one".