206220192 has 24 divisors (see below), whose sum is σ = 541328256. Its totient is φ = 68740032.

The previous prime is 206220173. The next prime is 206220197. The reversal of 206220192 is 291022602.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (206220197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1073968 + ... + 1074159.

It is an arithmetic number, because the mean of its divisors is an integer number (22555344).

Almost surely, 2^206220192 is an apocalyptic number.

It is an amenable number.

206220192 is an abundant number, since it is smaller than the sum of its proper divisors (335108064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206220192 is a wasteful number, since it uses less digits than its factorization.

206220192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148140 (or 2148132 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 206220192 is about 14360.3687974926. The cubic root of 206220192 is about 590.8044107572.

Adding to 206220192 its reverse (291022602), we get a palindrome (497242794).

The spelling of 206220192 in words is "two hundred six million, two hundred twenty thousand, one hundred ninety-two".