20412311242 has 8 divisors (see below), whose sum is σ = 30620100132. Its totient is φ = 10205611200.

The previous prime is 20412311203. The next prime is 20412311251. The reversal of 20412311242 is 24211321402.

It can be written as a sum of positive squares in 2 ways, for example, as 18406077561 + 2006233681 = 135669^2 + 44791^2 .

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, 223609 + ... + 301372.

Almost surely, 2^20412311242 is an apocalyptic number.

20412311242 is a deficient number, since it is larger than the sum of its proper divisors (10207788890).

20412311242 is a wasteful number, since it uses less digits than its factorization.

20412311242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544424.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20412311242 its reverse (24211321402), we get a palindrome (44623632644).

The spelling of 20412311242 in words is "twenty billion, four hundred twelve million, three hundred eleven thousand, two hundred forty-two".