20065550232 has 64 divisors (see below), whose sum is σ = 61740161280. Its totient is φ = 5292012672.

The previous prime is 20065550227. The next prime is 20065550237. The reversal of 20065550232 is 23205556002.

It is an interprime number because it is at equal distance from previous prime (20065550227) and next prime (20065550237).

It is a super-2 number, since 2×20065550232² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20065550232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20065550237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4591578 + ... + 4595945.

It is an arithmetic number, because the mean of its divisors is an integer number (964690020).

Almost surely, 2^20065550232 is an apocalyptic number.

It is an amenable number.

20065550232 is an abundant number, since it is smaller than the sum of its proper divisors (41674611048).

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

20065550232 is a wasteful number, since it uses less digits than its factorization.

20065550232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9187552 (or 9187548 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 20065550232 in words is "twenty billion, sixty-five million, five hundred fifty thousand, two hundred thirty-two".