15201202402 has 4 divisors (see below), whose sum is σ = 22801803606. Its totient is φ = 7600601200.

The previous prime is 15201202337. The next prime is 15201202463. The reversal of 15201202402 is 20420210251.

15201202402 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 20420210251 = 7 ⋅2917172893.

It can be written as a sum of positive squares in only one way, i.e., 13530109761 + 1671092641 = 116319^2 + 40879^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15201202402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3800300599 + ... + 3800300602.

Almost surely, 2^15201202402 is an apocalyptic number.

15201202402 is a deficient number, since it is larger than the sum of its proper divisors (7600601204).

15201202402 is an equidigital number, since it uses as much as digits as its factorization.

15201202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600601203.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 15201202402 its reverse (20420210251), we get a palindrome (35621412653).

The spelling of 15201202402 in words is "fifteen billion, two hundred one million, two hundred two thousand, four hundred two".