2000645132 has 6 divisors (see below), whose sum is σ = 3501128988. Its totient is φ = 1000322564.

The previous prime is 2000645131. The next prime is 2000645203. The reversal of 2000645132 is 2315460002.

It is a junction number, because it is equal to n+sod(n) for n = 2000645098 and 2000645107.

It is not an unprimeable number, because it can be changed into a prime (2000645131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250080638 + ... + 250080645.

It is an arithmetic number, because the mean of its divisors is an integer number (583521498).

Almost surely, 2^2000645132 is an apocalyptic number.

It is an amenable number.

2000645132 is a deficient number, since it is larger than the sum of its proper divisors (1500483856).

2000645132 is a wasteful number, since it uses less digits than its factorization.

2000645132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500161287 (or 500161285 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 2000645132 is about 44728.5717634713. The cubic root of 2000645132 is about 1260.0565045627.

The spelling of 2000645132 in words is "two billion, six hundred forty-five thousand, one hundred thirty-two".