205636022152 has 32 divisors (see below), whose sum is σ = 420674757120. Its totient is φ = 93458559040.

The previous prime is 205636022131. The next prime is 205636022159. The reversal of 205636022152 is 251220636502.

It is a super-2 number, since 2×205636022152² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (205636022159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531993 + ... + 833239.

It is an arithmetic number, because the mean of its divisors is an integer number (13146086160).

Almost surely, 2^205636022152 is an apocalyptic number.

205636022152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205636022152 is an abundant number, since it is smaller than the sum of its proper divisors (215038734968).

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

205636022152 is a wasteful number, since it uses less digits than its factorization.

205636022152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309021 (or 309017 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 205636022152 its reverse (251220636502), we get a palindrome (456856658654).

The spelling of 205636022152 in words is "two hundred five billion, six hundred thirty-six million, twenty-two thousand, one hundred fifty-two".