200273855821 has 16 divisors (see below), whose sum is σ = 221401653760. Its totient is φ = 180027619200.

The previous prime is 200273855779. The next prime is 200273855861. The reversal of 200273855821 is 128558372002.

It is not a de Polignac number, because 200273855821 - 2³¹ = 198126372173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200273855861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1260705 + ... + 1410646.

It is an arithmetic number, because the mean of its divisors is an integer number (13837603360).

Almost surely, 2^200273855821 is an apocalyptic number.

It is an amenable number.

200273855821 is a deficient number, since it is larger than the sum of its proper divisors (21127797939).

200273855821 is a wasteful number, since it uses less digits than its factorization.

200273855821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671516.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 200273855821 in words is "two hundred billion, two hundred seventy-three million, eight hundred fifty-five thousand, eight hundred twenty-one".