10202039 has 4 divisors (see below), whose sum is σ = 10254024. Its totient is φ = 10150056.

The previous prime is 10202021. The next prime is 10202063. The reversal of 10202039 is 93020201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93020201 = 277 ⋅335813.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202009) 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, 25697 + ... + 26090.

It is an arithmetic number, because the mean of its divisors is an integer number (2563506).

Almost surely, 2^10202039 is an apocalyptic number.

10202039 is a deficient number, since it is larger than the sum of its proper divisors (51985).

10202039 is an equidigital number, since it uses as much as digits as its factorization.

10202039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51984.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 10202039 is about 3194.0630864152. The cubic root of 10202039 is about 216.8847384942.

It can be divided in two parts, 1020 and 2039, that multiplied together give a triangular number (2079780 = T₂₀₃₉).

The spelling of 10202039 in words is "ten million, two hundred two thousand, thirty-nine".