20452213200 has 60 divisors (see below), whose sum is σ = 65515260128. Its totient is φ = 5453923200.

The previous prime is 20452213169. The next prime is 20452213207. The reversal of 20452213200 is 231225402.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20452213207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8520556 + ... + 8522955.

Almost surely, 2^20452213200 is an apocalyptic number.

20452213200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20452213200 is an abundant number, since it is smaller than the sum of its proper divisors (45063046928).

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

20452213200 is a wasteful number, since it uses less digits than its factorization.

20452213200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17043532 (or 17043521 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20452213200 its reverse (231225402), we get a palindrome (20683438602).

The spelling of 20452213200 in words is "twenty billion, four hundred fifty-two million, two hundred thirteen thousand, two hundred".