281020200085 has 32 divisors (see below), whose sum is σ = 358028812800. Its totient is φ = 211018948608.

The previous prime is 281020200049. The next prime is 281020200137. The reversal of 281020200085 is 580002020182.

It is a cyclic number.

It is not a de Polignac number, because 281020200085 - 2²¹ = 281018102933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62266789 + ... + 62271301.

It is an arithmetic number, because the mean of its divisors is an integer number (11188400400).

Almost surely, 2^281020200085 is an apocalyptic number.

It is an amenable number.

281020200085 is a deficient number, since it is larger than the sum of its proper divisors (77008612715).

281020200085 is a wasteful number, since it uses less digits than its factorization.

281020200085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6357.

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 281020200085 in words is "two hundred eighty-one billion, twenty million, two hundred thousand, eighty-five".