2020986961 has 4 divisors (see below), whose sum is σ = 2309699392. Its totient is φ = 1732274532.

The previous prime is 2020986923. The next prime is 2020986967. The reversal of 2020986961 is 1696890202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020986961 - 2⁹ = 2020986449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2020986967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144356205 + ... + 144356218.

It is an arithmetic number, because the mean of its divisors is an integer number (577424848).

Almost surely, 2^2020986961 is an apocalyptic number.

It is an amenable number.

2020986961 is a deficient number, since it is larger than the sum of its proper divisors (288712431).

2020986961 is an equidigital number, since it uses as much as digits as its factorization.

2020986961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288712430.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 2020986961 is about 44955.3885646649. The cubic root of 2020986961 is about 1264.3127099188.

The spelling of 2020986961 in words is "two billion, twenty million, nine hundred eighty-six thousand, nine hundred sixty-one".