206422323064 has 32 divisors (see below), whose sum is σ = 411207768720. Its totient is φ = 96808362496.

The previous prime is 206422323059. The next prime is 206422323109. The reversal of 206422323064 is 460323224602.

It is a super-2 number, since 2×206422323064² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550274 + ... + 2629969.

Almost surely, 2^206422323064 is an apocalyptic number.

It is an amenable number.

206422323064 is a deficient number, since it is larger than the sum of its proper divisors (204785445656).

206422323064 is a wasteful number, since it uses less digits than its factorization.

206422323064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180559 (or 5180555 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 206422323064 its reverse (460323224602), we get a palindrome (666745547666).

The spelling of 206422323064 in words is "two hundred six billion, four hundred twenty-two million, three hundred twenty-three thousand, sixty-four".