2305632720 has 40 divisors (see below), whose sum is σ = 7147462176. Its totient is φ = 614835328.

The previous prime is 2305632713. The next prime is 2305632727. The reversal of 2305632720 is 272365032.

It is an interprime number because it is at equal distance from previous prime (2305632713) and next prime (2305632727).

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305632727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4803162 + ... + 4803641.

Almost surely, 2^2305632720 is an apocalyptic number.

2305632720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2305632720 is an abundant number, since it is smaller than the sum of its proper divisors (4841829456).

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

2305632720 is a wasteful number, since it uses less digits than its factorization.

2305632720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9606819 (or 9606813 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 2305632720 is about 48017.0044879936. The cubic root of 2305632720 is about 1321.0828121558.

Adding to 2305632720 its reverse (272365032), we get a palindrome (2577997752).

The spelling of 2305632720 in words is "two billion, three hundred five million, six hundred thirty-two thousand, seven hundred twenty".