206024020564 has 12 divisors (see below), whose sum is σ = 370286415604. Its totient is φ = 100227901824.

The previous prime is 206024020547. The next prime is 206024020583. The reversal of 206024020564 is 465020420602.

It can be written as a sum of positive squares in 2 ways, for example, as 169627012164 + 36397008400 = 411858^2 + 190780^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 696026949 + ... + 696027244.

Almost surely, 2^206024020564 is an apocalyptic number.

It is an amenable number.

206024020564 is a deficient number, since it is larger than the sum of its proper divisors (164262395040).

206024020564 is a wasteful number, since it uses less digits than its factorization.

206024020564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392054234 (or 1392054232 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 206024020564 in words is "two hundred six billion, twenty-four million, twenty thousand, five hundred sixty-four".