20243012242 has 8 divisors (see below), whose sum is σ = 32150666556. Its totient is φ = 9526123392.

The previous prime is 20243012177. The next prime is 20243012249. The reversal of 20243012242 is 24221034202.

It can be written as a sum of positive squares in 2 ways, for example, as 17050875241 + 3192137001 = 130579^2 + 56499^2 .

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 (20243012249) 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, 297691323 + ... + 297691390.

Almost surely, 2^20243012242 is an apocalyptic number.

20243012242 is a deficient number, since it is larger than the sum of its proper divisors (11907654314).

20243012242 is a wasteful number, since it uses less digits than its factorization.

20243012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595382732.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20243012242 its reverse (24221034202), we get a palindrome (44464046444).

The spelling of 20243012242 in words is "twenty billion, two hundred forty-three million, twelve thousand, two hundred forty-two".