202142441401 has 4 divisors (see below), whose sum is σ = 203617933812. Its totient is φ = 200666948992.

The previous prime is 202142441363. The next prime is 202142441429. The reversal of 202142441401 is 104144241202.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 99278557225 + 102863884176 = 315085^2 + 320724^2 .

It is a cyclic number.

It is not a de Polignac number, because 202142441401 - 2²⁹ = 201605570489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202142441471) 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, 737746000 + ... + 737746273.

It is an arithmetic number, because the mean of its divisors is an integer number (50904483453).

Almost surely, 2^202142441401 is an apocalyptic number.

It is an amenable number.

202142441401 is a deficient number, since it is larger than the sum of its proper divisors (1475492411).

202142441401 is a wasteful number, since it uses less digits than its factorization.

202142441401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475492410.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 202142441401 its reverse (104144241202), we get a palindrome (306286682603).

The spelling of 202142441401 in words is "two hundred two billion, one hundred forty-two million, four hundred forty-one thousand, four hundred one".