20241251 has 8 divisors (see below), whose sum is σ = 21515520. Its totient is φ = 18987912.

The previous prime is 20241239. The next prime is 20241313. The reversal of 20241251 is 15214202.

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 20241251 - 2⁶ = 20241187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20241211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215 + ... + 7128.

It is an arithmetic number, because the mean of its divisors is an integer number (2689440).

Almost surely, 2^20241251 is an apocalyptic number.

20241251 is a deficient number, since it is larger than the sum of its proper divisors (1274269).

20241251 is a wasteful number, since it uses less digits than its factorization.

20241251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10465.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20241251 is about 4499.0277838662. The cubic root of 20241251 is about 272.5288289787.

Adding to 20241251 its reverse (15214202), we get a palindrome (35455453).

The spelling of 20241251 in words is "twenty million, two hundred forty-one thousand, two hundred fifty-one".