20025151 has 2 divisors, whose sum is σ = 20025152. Its totient is φ = 20025150.

The previous prime is 20025139. The next prime is 20025191. The reversal of 20025151 is 15152002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20025151 - 2⁵ = 20025119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20025121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10012575 + 10012576.

It is an arithmetic number, because the mean of its divisors is an integer number (10012576).

Almost surely, 2^20025151 is an apocalyptic number.

20025151 is a deficient number, since it is larger than the sum of its proper divisors (1).

20025151 is an equidigital number, since it uses as much as digits as its factorization.

20025151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 20025151 is about 4474.9470387927. The cubic root of 20025151 is about 271.5554978589. Note that the first 3 decimals are identical.

Adding to 20025151 its reverse (15152002), we get a palindrome (35177153).

The spelling of 20025151 in words is "twenty million, twenty-five thousand, one hundred fifty-one".