2061624320 has 352 divisors, whose sum is σ = 6140606976. Its totient is φ = 648806400.

The previous prime is 2061624311. The next prime is 2061624353. The reversal of 2061624320 is 234261602.

It is a self number, because there is not a number n which added to its sum of digits gives 2061624320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33797090 + ... + 33797150.

Almost surely, 2^2061624320 is an apocalyptic number.

2061624320 is a gapful number since it is divisible by the number (20) 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 2061624320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3070303488).

2061624320 is an abundant number, since it is smaller than the sum of its proper divisors (4078982656).

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

2061624320 is a wasteful number, since it uses less digits than its factorization.

2061624320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2061624320 is about 45405.1133684302. The cubic root of 2061624320 is about 1272.7306694282.

Adding to 2061624320 its reverse (234261602), we get a palindrome (2295885922).

The spelling of 2061624320 in words is "two billion, sixty-one million, six hundred twenty-four thousand, three hundred twenty".