6630454020 has 192 divisors, whose sum is σ = 19503783936. Its totient is φ = 1681482240.

The previous prime is 6630454013. The next prime is 6630454049. The reversal of 6630454020 is 204540366.

It is a super-2 number, since 2×6630454020² = 87925841022668320800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24466485 + ... + 24466755.

It is an arithmetic number, because the mean of its divisors is an integer number (101582208).

Almost surely, 2^6630454020 is an apocalyptic number.

6630454020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6630454020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9751891968).

6630454020 is an abundant number, since it is smaller than the sum of its proper divisors (12873329916).

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

6630454020 is a wasteful number, since it uses less digits than its factorization.

6630454020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 6630454020 is about 81427.5998663844. The cubic root of 6630454020 is about 1878.6581283879.

Adding to 6630454020 its reverse (204540366), we get a palindrome (6834994386).

The spelling of 6630454020 in words is "six billion, six hundred thirty million, four hundred fifty-four thousand, twenty".