206144423092 has 48 divisors (see below), whose sum is σ = 386398018944. Its totient is φ = 96014160000.

The previous prime is 206144423087. The next prime is 206144423099. The reversal of 206144423092 is 290324441602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206144423099) 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, 384967 + ... + 748657.

It is an arithmetic number, because the mean of its divisors is an integer number (8049958728).

Almost surely, 2^206144423092 is an apocalyptic number.

It is an amenable number.

206144423092 is a deficient number, since it is larger than the sum of its proper divisors (180253595852).

206144423092 is a wasteful number, since it uses less digits than its factorization.

206144423092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363880 (or 363878 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 206144423092 its reverse (290324441602), we get a palindrome (496468864694).

The spelling of 206144423092 in words is "two hundred six billion, one hundred forty-four million, four hundred twenty-three thousand, ninety-two".