20325723 has 32 divisors (see below), whose sum is σ = 31138560. Its totient is φ = 11679360.

The previous prime is 20325707. The next prime is 20325733. The reversal of 20325723 is 32752302.

It is not a de Polignac number, because 20325723 - 2⁴ = 20325707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20325693 and 20325702.

It is not an unprimeable number, because it can be changed into a prime (20325733) 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 31 ways as a sum of consecutive naturals, for example, 63961 + ... + 64277.

It is an arithmetic number, because the mean of its divisors is an integer number (973080).

Almost surely, 2^20325723 is an apocalyptic number.

20325723 is a deficient number, since it is larger than the sum of its proper divisors (10812837).

20325723 is a wasteful number, since it uses less digits than its factorization.

20325723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427.

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

The square root of 20325723 is about 4508.4058158067. The cubic root of 20325723 is about 272.9074140276.

The spelling of 20325723 in words is "twenty million, three hundred twenty-five thousand, seven hundred twenty-three".