2020551051 has 4 divisors (see below), whose sum is σ = 2694068072. Its totient is φ = 1347034032.

The previous prime is 2020551047. The next prime is 2020551059. The reversal of 2020551051 is 1501550202.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2020551051 - 2² = 2020551047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020551059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 336758506 + ... + 336758511.

It is an arithmetic number, because the mean of its divisors is an integer number (673517018).

Almost surely, 2^2020551051 is an apocalyptic number.

2020551051 is a deficient number, since it is larger than the sum of its proper divisors (673517021).

2020551051 is an equidigital number, since it uses as much as digits as its factorization.

2020551051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673517020.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2020551051 is about 44950.5400523731. The cubic root of 2020551051 is about 1264.2218028202.

The spelling of 2020551051 in words is "two billion, twenty million, five hundred fifty-one thousand, fifty-one".