206420877182 has 16 divisors (see below), whose sum is σ = 335311961040. Its totient is φ = 94738930752.

The previous prime is 206420877151. The next prime is 206420877191. The reversal of 206420877182 is 281778024602.

It is a happy number.

It is a super-2 number, since 2×206420877182² (a number of 23 digits) contains 22 as substring.

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, 22172063 + ... + 22181370.

It is an arithmetic number, because the mean of its divisors is an integer number (20956997565).

Almost surely, 2^206420877182 is an apocalyptic number.

206420877182 is a deficient number, since it is larger than the sum of its proper divisors (128891083858).

206420877182 is a wasteful number, since it uses less digits than its factorization.

206420877182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44353627.

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 206420877182 in words is "two hundred six billion, four hundred twenty million, eight hundred seventy-seven thousand, one hundred eighty-two".