20153376 has 144 divisors (see below), whose sum is σ = 62899200. Its totient is φ = 6096384.

The previous prime is 20153351. The next prime is 20153377. The reversal of 20153376 is 67335102.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (20153377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158625 + ... + 158751.

It is an arithmetic number, because the mean of its divisors is an integer number (436800).

Almost surely, 2^20153376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20153376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31449600).

20153376 is an abundant number, since it is smaller than the sum of its proper divisors (42745824).

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

20153376 is a wasteful number, since it uses less digits than its factorization.

20153376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 20153376 is about 4489.2511624992. The cubic root of 20153376 is about 272.1338729693.

Adding to 20153376 its reverse (67335102), we get a palindrome (87488478).

The spelling of 20153376 in words is "twenty million, one hundred fifty-three thousand, three hundred seventy-six".