206331320602 has 32 divisors (see below), whose sum is σ = 357540868800. Its totient is φ = 88258471680.

The previous prime is 206331320599. The next prime is 206331320603. The reversal of 206331320602 is 206023133602.

It is a super-2 number, since 2×206331320602² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (206331320603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3194524 + ... + 3258472.

It is an arithmetic number, because the mean of its divisors is an integer number (11173152150).

Almost surely, 2^206331320602 is an apocalyptic number.

206331320602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

206331320602 is a deficient number, since it is larger than the sum of its proper divisors (151209548198).

206331320602 is a wasteful number, since it uses less digits than its factorization.

206331320602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72606.

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 206331320602 in words is "two hundred six billion, three hundred thirty-one million, three hundred twenty thousand, six hundred two".