20321933606 has 16 divisors (see below), whose sum is σ = 32832797424. Its totient is φ = 9377908704.

The previous prime is 20321933587. The next prime is 20321933609. The reversal of 20321933606 is 60633912302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20321933609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122180 + ... + 235736.

It is an arithmetic number, because the mean of its divisors is an integer number (2052049839).

Almost surely, 2^20321933606 is an apocalyptic number.

20321933606 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20321933606 is a deficient number, since it is larger than the sum of its proper divisors (12510863818).

20321933606 is a wasteful number, since it uses less digits than its factorization.

20321933606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120455.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 20321933606 in words is "twenty billion, three hundred twenty-one million, nine hundred thirty-three thousand, six hundred six".