2020200251 has 4 divisors (see below), whose sum is σ = 2126526600. Its totient is φ = 1913873904.

The previous prime is 2020200241. The next prime is 2020200269. The reversal of 2020200251 is 1520020202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1520020202 = 2 ⋅760010101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020200251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020200211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53163146 + ... + 53163183.

It is an arithmetic number, because the mean of its divisors is an integer number (531631650).

Almost surely, 2^2020200251 is an apocalyptic number.

2020200251 is a deficient number, since it is larger than the sum of its proper divisors (106326349).

2020200251 is a wasteful number, since it uses less digits than its factorization.

2020200251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106326348.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2020200251 is about 44946.6378164151. The cubic root of 2020200251 is about 1264.1486355397.

Adding to 2020200251 its reverse (1520020202), we get a palindrome (3540220453).

The spelling of 2020200251 in words is "two billion, twenty million, two hundred thousand, two hundred fifty-one".