20233725 has 12 divisors (see below), whose sum is σ = 33453216. Its totient is φ = 10791280.

The previous prime is 20233691. The next prime is 20233739. The reversal of 20233725 is 52733202.

It is not a de Polignac number, because 20233725 - 2⁷ = 20233597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20233695 and 20233704.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 134817 + ... + 134966.

It is an arithmetic number, because the mean of its divisors is an integer number (2787768).

Almost surely, 2^20233725 is an apocalyptic number.

20233725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20233725 is a deficient number, since it is larger than the sum of its proper divisors (13219491).

20233725 is a wasteful number, since it uses less digits than its factorization.

20233725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269796 (or 269791 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 20233725 is about 4498.1913031795. The cubic root of 20233725 is about 272.4950480261.

Adding to 20233725 its reverse (52733202), we get a palindrome (72966927).

The spelling of 20233725 in words is "twenty million, two hundred thirty-three thousand, seven hundred twenty-five".