20153328 has 40 divisors (see below), whose sum is σ = 56069328. Its totient is φ = 6200832.

The previous prime is 20153323. The next prime is 20153339. The reversal of 20153328 is 82335102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20153298 and 20153307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20153321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15525 + ... + 16772.

Almost surely, 2^20153328 is an apocalyptic number.

It is an amenable number.

20153328 is an abundant number, since it is smaller than the sum of its proper divisors (35916000).

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

20153328 is a wasteful number, since it uses less digits than its factorization.

20153328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32321 (or 32315 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20153328 is about 4489.2458163928. The cubic root of 20153328 is about 272.1336569188.

The spelling of 20153328 in words is "twenty million, one hundred fifty-three thousand, three hundred twenty-eight".