2020245251 has 8 divisors (see below), whose sum is σ = 2083536960. Its totient is φ = 1957411008.

The previous prime is 2020245223. The next prime is 2020245277. The reversal of 2020245251 is 1525420202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020245251 - 2⁶ = 2020245187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020245151) 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 7 ways as a sum of consecutive naturals, for example, 105386 + ... + 123071.

It is an arithmetic number, because the mean of its divisors is an integer number (260442120).

Almost surely, 2^2020245251 is an apocalyptic number.

2020245251 is a deficient number, since it is larger than the sum of its proper divisors (63291709).

2020245251 is a wasteful number, since it uses less digits than its factorization.

2020245251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228733.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2020245251 is about 44947.1384072446. The cubic root of 2020245251 is about 1264.1580217819.

Adding to 2020245251 its reverse (1525420202), we get a palindrome (3545665453).

The spelling of 2020245251 in words is "two billion, twenty million, two hundred forty-five thousand, two hundred fifty-one".