205054315532 has 24 divisors (see below), whose sum is σ = 391506393600. Its totient is φ = 93197206160.

The previous prime is 205054315481. The next prime is 205054315547. The reversal of 205054315532 is 235513450502.

It is a junction number, because it is equal to n+sod(n) for n = 205054315492 and 205054315501.

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, 223469 + ... + 678267.

It is an arithmetic number, because the mean of its divisors is an integer number (16312766400).

Almost surely, 2^205054315532 is an apocalyptic number.

205054315532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

205054315532 is a deficient number, since it is larger than the sum of its proper divisors (186452078068).

205054315532 is a wasteful number, since it uses less digits than its factorization.

205054315532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465061 (or 465059 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 205054315532 in words is "two hundred five billion, fifty-four million, three hundred fifteen thousand, five hundred thirty-two".