2020801501 has 2 divisors, whose sum is σ = 2020801502. Its totient is φ = 2020801500.

The previous prime is 2020801499. The next prime is 2020801511. The reversal of 2020801501 is 1051080202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1086032025 + 934769476 = 32955^2 + 30574^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020801501 - 2¹ = 2020801499 is a prime.

Together with 2020801499, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020801511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010400750 + 1010400751.

It is an arithmetic number, because the mean of its divisors is an integer number (1010400751).

Almost surely, 2^2020801501 is an apocalyptic number.

It is an amenable number.

2020801501 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020801501 is an equidigital number, since it uses as much as digits as its factorization.

2020801501 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 19.

The square root of 2020801501 is about 44953.3258057733. The cubic root of 2020801501 is about 1264.2740346556.

Adding to 2020801501 its reverse (1051080202), we get a palindrome (3071881703).

The spelling of 2020801501 in words is "two billion, twenty million, eight hundred one thousand, five hundred one".