205245553412030 has 16 divisors (see below), whose sum is σ = 369534195364320. Its totient is φ = 82077732648672.

The previous prime is 205245553411993. The next prime is 205245553412089. The reversal of 205245553412030 is 30214355542502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2561047445 + ... + 2561127584.

It is an arithmetic number, because the mean of its divisors is an integer number (23095887210270).

Almost surely, 2^{205245553412030} is an apocalyptic number.

205245553412030 is a deficient number, since it is larger than the sum of its proper divisors (164288641952290).

205245553412030 is a wasteful number, since it uses less digits than its factorization.

205245553412030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122179043.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 205245553412030 in words is "two hundred five trillion, two hundred forty-five billion, five hundred fifty-three million, four hundred twelve thousand, thirty".