20295039 has 8 divisors (see below), whose sum is σ = 28236672. Its totient is φ = 12941720.

The previous prime is 20295013. The next prime is 20295047. The reversal of 20295039 is 93059202.

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 20295039 - 2⁸ = 20294783 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20294997 and 20295015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20295239) 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, 146997 + ... + 147134.

It is an arithmetic number, because the mean of its divisors is an integer number (3529584).

Almost surely, 2^20295039 is an apocalyptic number.

20295039 is a deficient number, since it is larger than the sum of its proper divisors (7941633).

20295039 is a wasteful number, since it uses less digits than its factorization.

20295039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294157.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 20295039 is about 4505.0015538288. The cubic root of 20295039 is about 272.7700165631.

The spelling of 20295039 in words is "twenty million, two hundred ninety-five thousand, thirty-nine".