204920290884147 has 64 divisors (see below), whose sum is σ = 294999487418880. Its totient is φ = 126062398826496.

The previous prime is 204920290884137. The next prime is 204920290884173. The reversal of 204920290884147 is 741488092029402.

It is not a de Polignac number, because 204920290884147 - 2¹⁴ = 204920290867763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204920290884137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2690722993 + ... + 2690799149.

It is an arithmetic number, because the mean of its divisors is an integer number (4609366990920).

Almost surely, 2^{204920290884147} is an apocalyptic number.

204920290884147 is a deficient number, since it is larger than the sum of its proper divisors (90079196534733).

204920290884147 is a wasteful number, since it uses less digits than its factorization.

204920290884147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79940.

The product of its (nonzero) digits is 18579456, while the sum is 60.

The spelling of 204920290884147 in words is "two hundred four trillion, nine hundred twenty billion, two hundred ninety million, eight hundred eighty-four thousand, one hundred forty-seven".