3020130021 has 16 divisors (see below), whose sum is σ = 4059936000. Its totient is φ = 1996913088.

The previous prime is 3020129993. The next prime is 3020130041. The reversal of 3020130021 is 1200310203.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3020130021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3020129979 and 3020130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020130041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316695 + ... + 326091.

It is an arithmetic number, because the mean of its divisors is an integer number (253746000).

Almost surely, 2^3020130021 is an apocalyptic number.

It is an amenable number.

3020130021 is a deficient number, since it is larger than the sum of its proper divisors (1039805979).

3020130021 is a wasteful number, since it uses less digits than its factorization.

3020130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10268.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 3020130021 is about 54955.7096305743. The cubic root of 3020130021 is about 1445.4682168633.

Adding to 3020130021 its reverse (1200310203), we get a palindrome (4220440224).

The spelling of 3020130021 in words is "three billion, twenty million, one hundred thirty thousand, twenty-one".