20250039 has 8 divisors (see below), whose sum is σ = 27457920. Its totient is φ = 13271096.

The previous prime is 20250031. The next prime is 20250047. The reversal of 20250039 is 93005202.

It is an interprime number because it is at equal distance from previous prime (20250031) and next prime (20250047).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20250039 - 2³ = 20250031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20249997 and 20250024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20250031) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57027 + ... + 57380.

It is an arithmetic number, because the mean of its divisors is an integer number (3432240).

Almost surely, 2^20250039 is an apocalyptic number.

20250039 is a deficient number, since it is larger than the sum of its proper divisors (7207881).

20250039 is a wasteful number, since it uses less digits than its factorization.

20250039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114469.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 20250039 is about 4500.0043333312. The cubic root of 20250039 is about 272.5682639067.

The spelling of 20250039 in words is "twenty million, two hundred fifty thousand, thirty-nine".