205147033299 has 144 divisors (see below), whose sum is σ = 357495184800. Its totient is φ = 112752267264.

The previous prime is 205147033297. The next prime is 205147033321. The reversal of 205147033299 is 992330741502.

It is not a de Polignac number, because 205147033299 - 2¹ = 205147033297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205147033297) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 44239009 + ... + 44243645.

It is an arithmetic number, because the mean of its divisors is an integer number (2482605450).

Almost surely, 2^205147033299 is an apocalyptic number.

205147033299 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

205147033299 is a deficient number, since it is larger than the sum of its proper divisors (152348151501).

205147033299 is a wasteful number, since it uses less digits than its factorization.

205147033299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4758 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 205147033299 in words is "two hundred five billion, one hundred forty-seven million, thirty-three thousand, two hundred ninety-nine".