2032320646 has 4 divisors (see below), whose sum is σ = 3048480972. Its totient is φ = 1016160322.

The previous prime is 2032320637. The next prime is 2032320649. The reversal of 2032320646 is 6460232302.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2032320649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508080160 + ... + 508080163.

It is an arithmetic number, because the mean of its divisors is an integer number (762120243).

Almost surely, 2^2032320646 is an apocalyptic number.

2032320646 is a deficient number, since it is larger than the sum of its proper divisors (1016160326).

2032320646 is a wasteful number, since it uses less digits than its factorization.

2032320646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016160325.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 2032320646 is about 45081.2671294852. The cubic root of 2032320646 is about 1266.6717254492.

Adding to 2032320646 its reverse (6460232302), we get a palindrome (8492552948).

The spelling of 2032320646 in words is "two billion, thirty-two million, three hundred twenty thousand, six hundred forty-six".