20234842 has 8 divisors (see below), whose sum is σ = 30478932. Its totient is φ = 10075200.

The previous prime is 20234839. The next prime is 20234843. The reversal of 20234842 is 24843202.

It can be written as a sum of positive squares in 2 ways, for example, as 19527561 + 707281 = 4419^2 + 841^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20234843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20509 + ... + 21472.

Almost surely, 2^20234842 is an apocalyptic number.

20234842 is a deficient number, since it is larger than the sum of its proper divisors (10244090).

20234842 is a wasteful number, since it uses less digits than its factorization.

20234842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42224.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 20234842 is about 4498.3154624815. The cubic root of 20234842 is about 272.5000622843.

The spelling of 20234842 in words is "twenty million, two hundred thirty-four thousand, eight hundred forty-two".