20153200 has 30 divisors (see below), whose sum is σ = 48419024. Its totient is φ = 8061120.

The previous prime is 20153191. The next prime is 20153201. The reversal of 20153200 is 235102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153201) 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 5 ways as a sum of consecutive naturals, for example, 24792 + ... + 25591.

Almost surely, 2^20153200 is an apocalyptic number.

20153200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20153200 is an abundant number, since it is smaller than the sum of its proper divisors (28265824).

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

20153200 is a wasteful number, since it uses less digits than its factorization.

20153200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50401 (or 50390 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 20153200 is about 4489.2315600780. The cubic root of 20153200 is about 272.1330807827.

Adding to 20153200 its reverse (235102), we get a palindrome (20388302).

The spelling of 20153200 in words is "twenty million, one hundred fifty-three thousand, two hundred".