20012214566342 has 4 divisors (see below), whose sum is σ = 30018321849516. Its totient is φ = 10006107283170.

The previous prime is 20012214566317. The next prime is 20012214566369. The reversal of 20012214566342 is 24366541221002.

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

It is a junction number, because it is equal to n+sod(n) for n = 20012214566296 and 20012214566305.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5003053641584 + ... + 5003053641587.

It is an arithmetic number, because the mean of its divisors is an integer number (7504580462379).

Almost surely, 2^{20012214566342} is an apocalyptic number.

20012214566342 is a deficient number, since it is larger than the sum of its proper divisors (10006107283174).

20012214566342 is a wasteful number, since it uses less digits than its factorization.

20012214566342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006107283173.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 20012214566342 its reverse (24366541221002), we get a palindrome (44378755787344).

The spelling of 20012214566342 in words is "twenty trillion, twelve billion, two hundred fourteen million, five hundred sixty-six thousand, three hundred forty-two".