2000720291 has 2 divisors, whose sum is σ = 2000720292. Its totient is φ = 2000720290.

The previous prime is 2000720231. The next prime is 2000720303. The reversal of 2000720291 is 1920270002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000720291 - 2¹⁸ = 2000458147 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000720221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000360145 + 1000360146.

It is an arithmetic number, because the mean of its divisors is an integer number (1000360146).

Almost surely, 2^2000720291 is an apocalyptic number.

2000720291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000720291 is an equidigital number, since it uses as much as digits as its factorization.

2000720291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2000720291 is about 44729.4119232525. The cubic root of 2000720291 is about 1260.0722833731.

Adding to 2000720291 its reverse (1920270002), we get a palindrome (3920990293).

The spelling of 2000720291 in words is "two billion, seven hundred twenty thousand, two hundred ninety-one".