20130140012242 has 8 divisors (see below), whose sum is σ = 32517918481356. Its totient is φ = 9290833851792.

The previous prime is 20130140012153. The next prime is 20130140012267. The reversal of 20130140012242 is 24221004103102.

It can be written as a sum of positive squares in 2 ways, for example, as 20010403943401 + 119736068841 = 4473299^2 + 346029^2 .

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, 387118077133 + ... + 387118077184.

Almost surely, 2^{20130140012242} is an apocalyptic number.

20130140012242 is a deficient number, since it is larger than the sum of its proper divisors (12387778469114).

20130140012242 is a wasteful number, since it uses less digits than its factorization.

20130140012242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774236154332.

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

Adding to 20130140012242 its reverse (24221004103102), we get a palindrome (44351144115344).

The spelling of 20130140012242 in words is "twenty trillion, one hundred thirty billion, one hundred forty million, twelve thousand, two hundred forty-two".