205700020260512 has 12 divisors (see below), whose sum is σ = 404971914887946. Its totient is φ = 102850010130240.

The previous prime is 205700020260491. The next prime is 205700020260557. The reversal of 205700020260512 is 215062020007502.

It can be written as a sum of positive squares in only one way, i.e., 198947526975376 + 6752493285136 = 14104876^2 + 2598556^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 6428125633141 = 205700020260512 / (2 + 0 + 5 + 7 + 0 + 0 + 0 + 2 + 0 + 2 + 6 + 0 + 5 + 1 + 2).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3214062816539 + ... + 3214062816602.

Almost surely, 2^{205700020260512} is an apocalyptic number.

It is an amenable number.

205700020260512 is a deficient number, since it is larger than the sum of its proper divisors (199271894627434).

205700020260512 is an equidigital number, since it uses as much as digits as its factorization.

205700020260512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6428125633151 (or 6428125633143 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 205700020260512 in words is "two hundred five trillion, seven hundred billion, twenty million, two hundred sixty thousand, five hundred twelve".