2020801511 has 2 divisors, whose sum is σ = 2020801512. Its totient is φ = 2020801510.

The previous prime is 2020801501. The next prime is 2020801529. The reversal of 2020801511 is 1151080202.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020801511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020801501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010400755 + 1010400756.

It is an arithmetic number, because the mean of its divisors is an integer number (1010400756).

Almost surely, 2^2020801511 is an apocalyptic number.

2020801511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020801511 is an equidigital number, since it uses as much as digits as its factorization.

2020801511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 2020801511 is about 44953.3259169997. The cubic root of 2020801511 is about 1264.2740367410.

Adding to 2020801511 its reverse (1151080202), we get a palindrome (3171881713).

The spelling of 2020801511 in words is "two billion, twenty million, eight hundred one thousand, five hundred eleven".