20244153200 has 120 divisors (see below), whose sum is σ = 50547062400. Its totient is φ = 7783142400.

The previous prime is 20244153173. The next prime is 20244153211. The reversal of 20244153200 is 235144202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1842122 + ... + 1853078.

It is an arithmetic number, because the mean of its divisors is an integer number (421225520).

Almost surely, 2^20244153200 is an apocalyptic number.

20244153200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20244153200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25273531200).

20244153200 is an abundant number, since it is smaller than the sum of its proper divisors (30302909200).

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

20244153200 is a wasteful number, since it uses less digits than its factorization.

20244153200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155 (or 11144 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 20244153200 its reverse (235144202), we get a palindrome (20479297402).

The spelling of 20244153200 in words is "twenty billion, two hundred forty-four million, one hundred fifty-three thousand, two hundred".