20224565532 has 36 divisors (see below), whose sum is σ = 51186318456. Its totient is φ = 6733199520.

The previous prime is 20224565531. The next prime is 20224565533. The reversal of 20224565532 is 23556542202.

20224565532 is a `hidden beast` number, since 2 + 0 + 22 + 45 + 65 + 532 = 666.

It is an interprime number because it is at equal distance from previous prime (20224565531) and next prime (20224565533).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20224565531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 317163 + ... + 375554.

Almost surely, 2^20224565532 is an apocalyptic number.

It is an amenable number.

20224565532 is an abundant number, since it is smaller than the sum of its proper divisors (30961752924).

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

20224565532 is a wasteful number, since it uses less digits than its factorization.

20224565532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693538 (or 693533 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

The spelling of 20224565532 in words is "twenty billion, two hundred twenty-four million, five hundred sixty-five thousand, five hundred thirty-two".