20153232205 has 16 divisors (see below), whose sum is σ = 24301814400. Its totient is φ = 16044139072.

The previous prime is 20153232193. The next prime is 20153232223. The reversal of 20153232205 is 50223235102.

It is a cyclic number.

It is not a de Polignac number, because 20153232205 - 2¹⁹ = 20152707917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20153232205.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 938802 + ... + 960028.

It is an arithmetic number, because the mean of its divisors is an integer number (1518863400).

Almost surely, 2^20153232205 is an apocalyptic number.

It is an amenable number.

20153232205 is a deficient number, since it is larger than the sum of its proper divisors (4148582195).

20153232205 is a wasteful number, since it uses less digits than its factorization.

20153232205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22148.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 20153232205 its reverse (50223235102), we get a palindrome (70376467307).

The spelling of 20153232205 in words is "twenty billion, one hundred fifty-three million, two hundred thirty-two thousand, two hundred five".