20550233733392 has 40 divisors (see below), whose sum is σ = 43767291740832. Its totient is φ = 9269709862400.

The previous prime is 20550233733349. The next prime is 20550233733397. The reversal of 20550233733392 is 29333733205502.

It is not an unprimeable number, because it can be changed into a prime (20550233733397) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 445636073 + ... + 445682184.

Almost surely, 2^{20550233733392} is an apocalyptic number.

20550233733392 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20550233733392 is an abundant number, since it is smaller than the sum of its proper divisors (23217058007440).

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

20550233733392 is a wasteful number, since it uses less digits than its factorization.

20550233733392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891318407 (or 891318401 counting only the distinct ones).

The product of its (nonzero) digits is 3061800, while the sum is 47.

Adding to 20550233733392 its reverse (29333733205502), we get a palindrome (49883966938894).

The spelling of 20550233733392 in words is "twenty trillion, five hundred fifty billion, two hundred thirty-three million, seven hundred thirty-three thousand, three hundred ninety-two".