20836205224 has 16 divisors (see below), whose sum is σ = 39121194420. Its totient is φ = 10403886720.

The previous prime is 20836205213. The next prime is 20836205233. The reversal of 20836205224 is 42250263802.

It can be written as a sum of positive squares in 2 ways, for example, as 11996820900 + 8839384324 = 109530^2 + 94018^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20836205224.

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, 1770757 + ... + 1782484.

Almost surely, 2^20836205224 is an apocalyptic number.

It is an amenable number.

20836205224 is a deficient number, since it is larger than the sum of its proper divisors (18284989196).

20836205224 is a wasteful number, since it uses less digits than its factorization.

20836205224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553980 (or 3553976 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 20836205224 in words is "twenty billion, eight hundred thirty-six million, two hundred five thousand, two hundred twenty-four".