201254243002 has 4 divisors (see below), whose sum is σ = 301881364506. Its totient is φ = 100627121500.

The previous prime is 201254242979. The next prime is 201254243009. The reversal of 201254243002 is 200342452102.

201254243002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 191300389641 + 9953853361 = 437379^2 + 99769^2 .

It is not an unprimeable number, because it can be changed into a prime (201254243009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50313560749 + ... + 50313560752.

Almost surely, 2^201254243002 is an apocalyptic number.

201254243002 is a deficient number, since it is larger than the sum of its proper divisors (100627121504).

201254243002 is a wasteful number, since it uses less digits than its factorization.

201254243002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100627121503.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 201254243002 its reverse (200342452102), we get a palindrome (401596695104).

The spelling of 201254243002 in words is "two hundred one billion, two hundred fifty-four million, two hundred forty-three thousand, two".