20242873 has 8 divisors (see below), whose sum is σ = 23571648. Its totient is φ = 17023344.

The previous prime is 20242861. The next prime is 20242879. The reversal of 20242873 is 37824202.

20242873 = T₁₂₇ + T₁₂₈ + ... + T₄₉₇.

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 20242873 - 2¹⁷ = 20111801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20242879) 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 7 ways as a sum of consecutive naturals, for example, 26911 + ... + 27652.

It is an arithmetic number, because the mean of its divisors is an integer number (2946456).

Almost surely, 2^20242873 is an apocalyptic number.

It is an amenable number.

20242873 is a deficient number, since it is larger than the sum of its proper divisors (3328775).

20242873 is an equidigital number, since it uses as much as digits as its factorization.

20242873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54623.

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 20242873 is about 4499.2080414224. The cubic root of 20242873 is about 272.5361083369.

It can be divided in two parts, 20242 and 873, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 20242873 in words is "twenty million, two hundred forty-two thousand, eight hundred seventy-three".