20598242 has 32 divisors (see below), whose sum is σ = 37447680. Its totient is φ = 8300880.

The previous prime is 20598239. The next prime is 20598269. The reversal of 20598242 is 24289502.

It is a junction number, because it is equal to n+sod(n) for n = 20598199 and 20598208.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55943 + ... + 56309.

It is an arithmetic number, because the mean of its divisors is an integer number (1170240).

Almost surely, 2^20598242 is an apocalyptic number.

20598242 is a deficient number, since it is larger than the sum of its proper divisors (16849438).

20598242 is a wasteful number, since it uses less digits than its factorization.

20598242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 20598242 is about 4538.5286161927. The cubic root of 20598242 is about 274.1216803753.

It can be divided in two parts, 2059 and 8242, that added together give a palindrome (10301).

The spelling of 20598242 in words is "twenty million, five hundred ninety-eight thousand, two hundred forty-two".