20300242 has 8 divisors (see below), whose sum is σ = 30469500. Its totient is φ = 10143744.

The previous prime is 20300239. The next prime is 20300243. The reversal of 20300242 is 24200302.

It can be written as a sum of positive squares in 2 ways, for example, as 18740241 + 1560001 = 4329^2 + 1249^2 .

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 (20300243) 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, 4434 + ... + 7762.

Almost surely, 2^20300242 is an apocalyptic number.

20300242 is a deficient number, since it is larger than the sum of its proper divisors (10169258).

20300242 is a wasteful number, since it uses less digits than its factorization.

20300242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20300242 is about 4505.5789861016. The cubic root of 20300242 is about 272.7933244125.

Adding to 20300242 its reverse (24200302), we get a palindrome (44500544).

The spelling of 20300242 in words is "twenty million, three hundred thousand, two hundred forty-two".