205385535002 has 4 divisors (see below), whose sum is σ = 308078302506. Its totient is φ = 102692767500.

The previous prime is 205385534957. The next prime is 205385535031. The reversal of 205385535002 is 200535583502.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 167877853441 + 37507681561 = 409729^2 + 193669^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51346383749 + ... + 51346383752.

Almost surely, 2^205385535002 is an apocalyptic number.

205385535002 is a deficient number, since it is larger than the sum of its proper divisors (102692767504).

205385535002 is a wasteful number, since it uses less digits than its factorization.

205385535002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102692767503.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 205385535002 in words is "two hundred five billion, three hundred eighty-five million, five hundred thirty-five thousand, two".