20025023 has 4 divisors (see below), whose sum is σ = 20083080. Its totient is φ = 19966968.

The previous prime is 20025001. The next prime is 20025037. The reversal of 20025023 is 32052002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32052002 = 2 ⋅16026001.

It is a cyclic number.

It is not a de Polignac number, because 20025023 - 2⁶ = 20024959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20024989 and 20025007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20025823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28508 + ... + 29201.

It is an arithmetic number, because the mean of its divisors is an integer number (5020770).

Almost surely, 2^20025023 is an apocalyptic number.

20025023 is a deficient number, since it is larger than the sum of its proper divisors (58057).

20025023 is an equidigital number, since it uses as much as digits as its factorization.

20025023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58056.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 20025023 is about 4474.9327369247. The cubic root of 20025023 is about 271.5549192669.

Adding to 20025023 its reverse (32052002), we get a palindrome (52077025).

The spelling of 20025023 in words is "twenty million, twenty-five thousand, twenty-three".