20154153 has 8 divisors (see below), whose sum is σ = 26985600. Its totient is φ = 13379408.

The previous prime is 20154149. The next prime is 20154179. The reversal of 20154153 is 35145102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20154153 - 2² = 20154149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20154103) 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, 13338 + ... + 14771.

It is an arithmetic number, because the mean of its divisors is an integer number (3373200).

Almost surely, 2^20154153 is an apocalyptic number.

It is an amenable number.

20154153 is a deficient number, since it is larger than the sum of its proper divisors (6831447).

20154153 is a wasteful number, since it uses less digits than its factorization.

20154153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28351.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 20154153 is about 4489.3377017106. The cubic root of 20154153 is about 272.1373702378.

Adding to 20154153 its reverse (35145102), we get a palindrome (55299255).

The spelling of 20154153 in words is "twenty million, one hundred fifty-four thousand, one hundred fifty-three".