20023232200155 has 24 divisors (see below), whose sum is σ = 35146264121280. Its totient is φ = 10543879232640.

The previous prime is 20023232200151. The next prime is 20023232200159. The reversal of 20023232200155 is 55100223232002.

20023232200155 is a `hidden beast` number, since 200 + 23 + 232 + 200 + 1 + 5 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (20023232200151) and next prime (20023232200159).

It is not a de Polignac number, because 20023232200155 - 2² = 20023232200151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023232200151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2816203506 + ... + 2816210615.

It is an arithmetic number, because the mean of its divisors is an integer number (1464427671720).

Almost surely, 2^{20023232200155} is an apocalyptic number.

20023232200155 is a deficient number, since it is larger than the sum of its proper divisors (15123031921125).

20023232200155 is a wasteful number, since it uses less digits than its factorization.

20023232200155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5632414211 (or 5632414208 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20023232200155 its reverse (55100223232002), we get a palindrome (75123455432157).

The spelling of 20023232200155 in words is "twenty trillion, twenty-three billion, two hundred thirty-two million, two hundred thousand, one hundred fifty-five".