20013202302442 has 4 divisors (see below), whose sum is σ = 30019803453666. Its totient is φ = 10006601151220.

The previous prime is 20013202302433. The next prime is 20013202302491. The reversal of 20013202302442 is 24420320231002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16507960874001 + 3505241428441 = 4062999^2 + 1872229^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003300575609 + ... + 5003300575612.

Almost surely, 2^{20013202302442} is an apocalyptic number.

20013202302442 is a deficient number, since it is larger than the sum of its proper divisors (10006601151224).

20013202302442 is a wasteful number, since it uses less digits than its factorization.

20013202302442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006601151223.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 20013202302442 its reverse (24420320231002), we get a palindrome (44433522533444).

The spelling of 20013202302442 in words is "twenty trillion, thirteen billion, two hundred two million, three hundred two thousand, four hundred forty-two".