20142345340522 has 8 divisors (see below), whose sum is σ = 31030099578756. Its totient is φ = 9798978814272.

The previous prime is 20142345340511. The next prime is 20142345340529. The reversal of 20142345340522 is 22504354324102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18834046312041 + 1308299028481 = 4339821^2 + 1143809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (20142345340529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136096927903 + ... + 136096928050.

Almost surely, 2^{20142345340522} is an apocalyptic number.

20142345340522 is a deficient number, since it is larger than the sum of its proper divisors (10887754238234).

20142345340522 is a wasteful number, since it uses less digits than its factorization.

20142345340522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272193855992.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 20142345340522 its reverse (22504354324102), we get a palindrome (42646699664624).

The spelling of 20142345340522 in words is "twenty trillion, one hundred forty-two billion, three hundred forty-five million, three hundred forty thousand, five hundred twenty-two".