20000015396 has 12 divisors (see below), whose sum is σ = 35080861452. Its totient is φ = 9976912128.

The previous prime is 20000015377. The next prime is 20000015419. The reversal of 20000015396 is 69351000002.

It can be written as a sum of positive squares in 2 ways, for example, as 12856384996 + 7143630400 = 113386^2 + 84520^2 .

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, 5771945 + ... + 5775408.

It is an arithmetic number, because the mean of its divisors is an integer number (2923405121).

Almost surely, 2^20000015396 is an apocalyptic number.

It is an amenable number.

20000015396 is a deficient number, since it is larger than the sum of its proper divisors (15080846056).

20000015396 is a wasteful number, since it uses less digits than its factorization.

20000015396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547790 (or 11547788 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 20000015396 its reverse (69351000002), we get a palindrome (89351015398).

The spelling of 20000015396 in words is "twenty billion, fifteen thousand, three hundred ninety-six".