20550682306 has 64 divisors (see below), whose sum is σ = 38957054976. Its totient is φ = 7897780800.

The previous prime is 20550682297. The next prime is 20550682307. The reversal of 20550682306 is 60328605502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20550682307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14967036 + ... + 14968408.

It is an arithmetic number, because the mean of its divisors is an integer number (608703984).

Almost surely, 2^20550682306 is an apocalyptic number.

20550682306 is a deficient number, since it is larger than the sum of its proper divisors (18406372670).

20550682306 is a wasteful number, since it uses less digits than its factorization.

20550682306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 20550682306 in words is "twenty billion, five hundred fifty million, six hundred eighty-two thousand, three hundred six".