20363411563142 has 4 divisors (see below), whose sum is σ = 30545117344716. Its totient is φ = 10181705781570.

The previous prime is 20363411563141. The next prime is 20363411563147. The reversal of 20363411563142 is 24136511436302.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20363411563142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363411563141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5090852890784 + ... + 5090852890787.

It is an arithmetic number, because the mean of its divisors is an integer number (7636279336179).

Almost surely, 2^{20363411563142} is an apocalyptic number.

20363411563142 is a deficient number, since it is larger than the sum of its proper divisors (10181705781574).

20363411563142 is a wasteful number, since it uses less digits than its factorization.

20363411563142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10181705781573.

The product of its (nonzero) digits is 311040, while the sum is 41.

Adding to 20363411563142 its reverse (24136511436302), we get a palindrome (44499922999444).

The spelling of 20363411563142 in words is "twenty trillion, three hundred sixty-three billion, four hundred eleven million, five hundred sixty-three thousand, one hundred forty-two".