205222035040 has 96 divisors (see below), whose sum is σ = 532282744224. Its totient is φ = 74150768640.

The previous prime is 205222034993. The next prime is 205222035097. The reversal of 205222035040 is 40530222502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 205222034996 and 205222035014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95029 + ... + 647668.

It is an arithmetic number, because the mean of its divisors is an integer number (5544611919).

Almost surely, 2^205222035040 is an apocalyptic number.

205222035040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205222035040 is an abundant number, since it is smaller than the sum of its proper divisors (327060709184).

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

205222035040 is a wasteful number, since it uses less digits than its factorization.

205222035040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742880 (or 742872 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

Adding to 205222035040 its reverse (40530222502), we get a palindrome (245752257542).

The spelling of 205222035040 in words is "two hundred five billion, two hundred twenty-two million, thirty-five thousand, forty".