205223012300 has 72 divisors (see below), whose sum is σ = 484274254464. Its totient is φ = 75172285440.

The previous prime is 205223012227. The next prime is 205223012321. The reversal of 205223012300 is 3210322502.

205223012300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1568444 + ... + 1694243.

It is an arithmetic number, because the mean of its divisors is an integer number (6726031312).

Almost surely, 2^205223012300 is an apocalyptic number.

205223012300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

205223012300 is an abundant number, since it is smaller than the sum of its proper divisors (279051242164).

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

205223012300 is a wasteful number, since it uses less digits than its factorization.

205223012300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262755 (or 3262748 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 205223012300 its reverse (3210322502), we get a palindrome (208433334802).

The spelling of 205223012300 in words is "two hundred five billion, two hundred twenty-three million, twelve thousand, three hundred".