2120030664 has 16 divisors (see below), whose sum is σ = 5300076720. Its totient is φ = 706676880.

The previous prime is 2120030663. The next prime is 2120030701. The reversal of 2120030664 is 4660300212.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 88334611 = 2120030664 / (2 + 1 + 2 + 0 + 0 + 3 + 0 + 6 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (2120030663) 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 3 ways as a sum of consecutive naturals, for example, 44167282 + ... + 44167329.

It is an arithmetic number, because the mean of its divisors is an integer number (331254795).

Almost surely, 2^2120030664 is an apocalyptic number.

2120030664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2120030664 is an abundant number, since it is smaller than the sum of its proper divisors (3180046056).

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

2120030664 is a wasteful number, since it uses less digits than its factorization.

2120030664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88334620 (or 88334616 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2120030664 is about 46043.7907214426. The cubic root of 2120030664 is about 1284.6378513847.

Adding to 2120030664 its reverse (4660300212), we get a palindrome (6780330876).

The spelling of 2120030664 in words is "two billion, one hundred twenty million, thirty thousand, six hundred sixty-four".