20701325 has 24 divisors (see below), whose sum is σ = 27623232. Its totient is φ = 15333120.

The previous prime is 20701321. The next prime is 20701327. The reversal of 20701325 is 52310702.

It is not a de Polignac number, because 20701325 - 2² = 20701321 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20701297 and 20701306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20701321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28112 + ... + 28838.

It is an arithmetic number, because the mean of its divisors is an integer number (1150968).

Almost surely, 2^20701325 is an apocalyptic number.

20701325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20701325 is a deficient number, since it is larger than the sum of its proper divisors (6921907).

20701325 is a wasteful number, since it uses less digits than its factorization.

20701325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 20701325 is about 4549.8708772887. The cubic root of 20701325 is about 274.5781963302.

The spelling of 20701325 in words is "twenty million, seven hundred one thousand, three hundred twenty-five".