20598340206 has 32 divisors (see below), whose sum is σ = 41550804000. Its totient is φ = 6807265920.

The previous prime is 20598340187. The next prime is 20598340247. The reversal of 20598340206 is 60204389502.

It is a happy number.

It is a super-2 number, since 2×20598340206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462360 + ... + 504948.

It is an arithmetic number, because the mean of its divisors is an integer number (1298462625).

Almost surely, 2^20598340206 is an apocalyptic number.

20598340206 is an abundant number, since it is smaller than the sum of its proper divisors (20952463794).

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

20598340206 is a wasteful number, since it uses less digits than its factorization.

20598340206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43284.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 20598340206 in words is "twenty billion, five hundred ninety-eight million, three hundred forty thousand, two hundred six".