2320102640 has 20 divisors (see below), whose sum is σ = 5394238824. Its totient is φ = 928041024.

The previous prime is 2320102639. The next prime is 2320102643. The reversal of 2320102640 is 462010232.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320102643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14500562 + ... + 14500721.

Almost surely, 2^2320102640 is an apocalyptic number.

2320102640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2320102640 is an abundant number, since it is smaller than the sum of its proper divisors (3074136184).

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

2320102640 is a wasteful number, since it uses less digits than its factorization.

2320102640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29001296 (or 29001290 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2320102640 is about 48167.4437768915. The cubic root of 2320102640 is about 1323.8407118758.

Adding to 2320102640 its reverse (462010232), we get a palindrome (2782112872).

The spelling of 2320102640 in words is "two billion, three hundred twenty million, one hundred two thousand, six hundred forty".