206021605465233 has 24 divisors (see below), whose sum is σ = 313760234998080. Its totient is φ = 129906642892320.

The previous prime is 206021605465219. The next prime is 206021605465261. The reversal of 206021605465233 is 332564506120602.

206021605465233 is a `hidden beast` number, since 2 + 0 + 6 + 0 + 2 + 1 + 605 + 4 + 6 + 5 + 2 + 33 = 666.

It is not a de Polignac number, because 206021605465233 - 2²⁴ = 206021588688017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206021605465733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 982607013 + ... + 982816658.

It is an arithmetic number, because the mean of its divisors is an integer number (13073343124920).

Almost surely, 2^{206021605465233} is an apocalyptic number.

It is an amenable number.

206021605465233 is a deficient number, since it is larger than the sum of its proper divisors (107738629532847).

206021605465233 is a wasteful number, since it uses less digits than its factorization.

206021605465233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965424309 (or 1965424306 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 206021605465233 in words is "two hundred six trillion, twenty-one billion, six hundred five million, four hundred sixty-five thousand, two hundred thirty-three".