20143142465401 has 4 divisors (see below), whose sum is σ = 20143158073600. Its totient is φ = 20143126857204.

The previous prime is 20143142465399. The next prime is 20143142465441. The reversal of 20143142465401 is 10456424134102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20143142465401 - 2¹ = 20143142465399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20143142465441) 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, 5674581 + ... + 8513938.

It is an arithmetic number, because the mean of its divisors is an integer number (5035789518400).

Almost surely, 2^{20143142465401} is an apocalyptic number.

It is an amenable number.

20143142465401 is a deficient number, since it is larger than the sum of its proper divisors (15608199).

20143142465401 is a wasteful number, since it uses less digits than its factorization.

20143142465401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15608198.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 20143142465401 its reverse (10456424134102), we get a palindrome (30599566599503).

The spelling of 20143142465401 in words is "twenty trillion, one hundred forty-three billion, one hundred forty-two million, four hundred sixty-five thousand, four hundred one".