20335125 has 32 divisors (see below), whose sum is σ = 34130304. Its totient is φ = 10752000.

The previous prime is 20335123. The next prime is 20335157. The reversal of 20335125 is 52153302.

It is not a de Polignac number, because 20335125 - 2¹ = 20335123 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20335121) 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 31 ways as a sum of consecutive naturals, for example, 78997 + ... + 79253.

It is an arithmetic number, because the mean of its divisors is an integer number (1066572).

Almost surely, 2^20335125 is an apocalyptic number.

20335125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20335125 is a deficient number, since it is larger than the sum of its proper divisors (13795179).

20335125 is a wasteful number, since it uses less digits than its factorization.

20335125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 20335125 is about 4509.4484141633. The cubic root of 20335125 is about 272.9494868234.

Adding to 20335125 its reverse (52153302), we get a palindrome (72488427).

The spelling of 20335125 in words is "twenty million, three hundred thirty-five thousand, one hundred twenty-five".