206505215060 has 48 divisors (see below), whose sum is σ = 443263290624. Its totient is φ = 80776050048.

The previous prime is 206505215057. The next prime is 206505215087. The reversal of 206505215060 is 60512505602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023242 + ... + 1208318.

It is an arithmetic number, because the mean of its divisors is an integer number (9234651888).

Almost surely, 2^206505215060 is an apocalyptic number.

206505215060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206505215060 is an abundant number, since it is smaller than the sum of its proper divisors (236758075564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206505215060 is a wasteful number, since it uses less digits than its factorization.

206505215060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186320 (or 186318 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 206505215060 in words is "two hundred six billion, five hundred five million, two hundred fifteen thousand, sixty".