10402144202 has 4 divisors (see below), whose sum is σ = 15603216306. Its totient is φ = 5201072100.

The previous prime is 10402144157. The next prime is 10402144213. The reversal of 10402144202 is 20244120401.

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., 9700477081 + 701667121 = 98491^2 + 26489^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600536049 + ... + 2600536052.

Almost surely, 2^10402144202 is an apocalyptic number.

10402144202 is a deficient number, since it is larger than the sum of its proper divisors (5201072104).

10402144202 is an equidigital number, since it uses as much as digits as its factorization.

10402144202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5201072103.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 10402144202 its reverse (20244120401), we get a palindrome (30646264603).

The spelling of 10402144202 in words is "ten billion, four hundred two million, one hundred forty-four thousand, two hundred two".