20151410242 has 8 divisors (see below), whose sum is σ = 30228342732. Its totient is φ = 10075296000.

The previous prime is 20151410161. The next prime is 20151410267. The reversal of 20151410242 is 24201415102.

It can be written as a sum of positive squares in 2 ways, for example, as 16871671881 + 3279738361 = 129891^2 + 57269^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138759 + ... + 244042.

Almost surely, 2^20151410242 is an apocalyptic number.

20151410242 is a deficient number, since it is larger than the sum of its proper divisors (10076932490).

20151410242 is a wasteful number, since it uses less digits than its factorization.

20151410242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409124.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 20151410242 its reverse (24201415102), we get a palindrome (44352825344).

The spelling of 20151410242 in words is "twenty billion, one hundred fifty-one million, four hundred ten thousand, two hundred forty-two".