10020459 has 4 divisors (see below), whose sum is σ = 13360616. Its totient is φ = 6680304.

The previous prime is 10020449. The next prime is 10020469. The reversal of 10020459 is 95402001.

Added to its reverse (95402001) it gives a triangular number (105422460 = T₁₄₅₂₀).

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95402001 = 3 ⋅31800667.

It is an interprime number because it is at equal distance from previous prime (10020449) and next prime (10020469).

It is not a de Polignac number, because 10020459 - 2⁷ = 10020331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10020449) 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 3 ways as a sum of consecutive naturals, for example, 1670074 + ... + 1670079.

It is an arithmetic number, because the mean of its divisors is an integer number (3340154).

Almost surely, 2^10020459 is an apocalyptic number.

10020459 is a deficient number, since it is larger than the sum of its proper divisors (3340157).

10020459 is an equidigital number, since it uses as much as digits as its factorization.

10020459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3340156.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 10020459 is about 3165.5108592453. The cubic root of 10020459 is about 215.5902941832.

Adding to 10020459 its reverse (95402001), we get a triangular number (105422460 = T₁₄₅₂₀).

The spelling of 10020459 in words is "ten million, twenty thousand, four hundred fifty-nine".