20243011442 has 8 divisors (see below), whose sum is σ = 30432145500. Its totient is φ = 10098962944.

The previous prime is 20243011417. The next prime is 20243011499. The reversal of 20243011442 is 24411034202.

It can be written as a sum of positive squares in 2 ways, for example, as 18717249721 + 1525761721 = 136811^2 + 39061^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11270267 + ... + 11272062.

Almost surely, 2^20243011442 is an apocalyptic number.

20243011442 is a deficient number, since it is larger than the sum of its proper divisors (10189134058).

20243011442 is a wasteful number, since it uses less digits than its factorization.

20243011442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22542780.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20243011442 its reverse (24411034202), we get a palindrome (44654045644).

The spelling of 20243011442 in words is "twenty billion, two hundred forty-three million, eleven thousand, four hundred forty-two".