20737197606 has 16 divisors (see below), whose sum is σ = 41494523904. Its totient is φ = 6909044424.

The previous prime is 20737197581. The next prime is 20737197617. The reversal of 20737197606 is 60679173702.

It is a Curzon number.

It is a congruent 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, 825286 + ... + 850041.

It is an arithmetic number, because the mean of its divisors is an integer number (2593407744).

Almost surely, 2^20737197606 is an apocalyptic number.

20737197606 is an abundant number, since it is smaller than the sum of its proper divisors (20757326298).

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

20737197606 is a wasteful number, since it uses less digits than its factorization.

20737197606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677395.

The product of its (nonzero) digits is 666792, while the sum is 48.

The spelling of 20737197606 in words is "twenty billion, seven hundred thirty-seven million, one hundred ninety-seven thousand, six hundred six".