206040020260 has 24 divisors (see below), whose sum is σ = 432719239680. Its totient is φ = 82409303904.

The previous prime is 206040020233. The next prime is 206040020353. The reversal of 206040020260 is 62020040602.

It is a happy number.

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, 163194 + ... + 662353.

It is an arithmetic number, because the mean of its divisors is an integer number (18029968320).

Almost surely, 2^206040020260 is an apocalyptic number.

206040020260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

206040020260 is an abundant number, since it is smaller than the sum of its proper divisors (226679219420).

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

206040020260 is a wasteful number, since it uses less digits than its factorization.

206040020260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838035 (or 838033 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 206040020260 its reverse (62020040602), we get a palindrome (268060060862).

The spelling of 206040020260 in words is "two hundred six billion, forty million, twenty thousand, two hundred sixty".