20763125 has 20 divisors (see below), whose sum is σ = 26241600. Its totient is φ = 16422000.

The previous prime is 20763091. The next prime is 20763131. The reversal of 20763125 is 52136702.

It is not a de Polignac number, because 20763125 - 2¹² = 20759029 is a prime.

It is a super-2 number, since 2×20763125² = 862214719531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20763094 and 20763103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 86756 + ... + 86994.

It is an arithmetic number, because the mean of its divisors is an integer number (1312080).

Almost surely, 2^20763125 is an apocalyptic number.

20763125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20763125 is a deficient number, since it is larger than the sum of its proper divisors (5478475).

20763125 is an equidigital number, since it uses as much as digits as its factorization.

20763125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 20763125 is about 4556.6572177420. The cubic root of 20763125 is about 274.8511591254.

Adding to 20763125 its reverse (52136702), we get a palindrome (72899827).

The spelling of 20763125 in words is "twenty million, seven hundred sixty-three thousand, one hundred twenty-five".