20025153 has 24 divisors (see below), whose sum is σ = 29601000. Its totient is φ = 13042944.

The previous prime is 20025151. The next prime is 20025191. The reversal of 20025153 is 35152002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1979649 + 18045504 = 1407^2 + 4248^2 .

It is not a de Polignac number, because 20025153 - 2¹ = 20025151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20025151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 134323 + ... + 134471.

It is an arithmetic number, because the mean of its divisors is an integer number (1233375).

Almost surely, 2^20025153 is an apocalyptic number.

It is an amenable number.

20025153 is a deficient number, since it is larger than the sum of its proper divisors (9575847).

20025153 is a wasteful number, since it uses less digits than its factorization.

20025153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 20025153 is about 4474.9472622591. The cubic root of 20025153 is about 271.5555068994. Note that the first 4 decimals are identical.

Adding to 20025153 its reverse (35152002), we get a palindrome (55177155).

The spelling of 20025153 in words is "twenty million, twenty-five thousand, one hundred fifty-three".