3020421340 has 48 divisors (see below), whose sum is σ = 6581846880. Its totient is φ = 1162909440.

The previous prime is 3020421329. The next prime is 3020421343. The reversal of 3020421340 is 431240203.

It is a super-2 number, since 2×3020421340² = 18245890142254791200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3020421343) 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 15 ways as a sum of consecutive naturals, for example, 184114 + ... + 199846.

It is an arithmetic number, because the mean of its divisors is an integer number (137121810).

Almost surely, 2^3020421340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3020421340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3290923440).

3020421340 is an abundant number, since it is smaller than the sum of its proper divisors (3561425540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3020421340 is a wasteful number, since it uses less digits than its factorization.

3020421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16102 (or 16100 counting only the distinct ones).

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

The square root of 3020421340 is about 54958.3600555912. The cubic root of 3020421340 is about 1445.5146915530.

Adding to 3020421340 its reverse (431240203), we get a palindrome (3451661543).

The spelling of 3020421340 in words is "three billion, twenty million, four hundred twenty-one thousand, three hundred forty".