20101151 has 8 divisors (see below), whose sum is σ = 23406624. Its totient is φ = 16904160.

The previous prime is 20101141. The next prime is 20101187. The reversal of 20101151 is 15110102.

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

It is not a de Polignac number, because 20101151 - 2¹⁸ = 19839007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26720 + ... + 27461.

It is an arithmetic number, because the mean of its divisors is an integer number (2925828).

Almost surely, 2^20101151 is an apocalyptic number.

20101151 is a deficient number, since it is larger than the sum of its proper divisors (3305473).

20101151 is an equidigital number, since it uses as much as digits as its factorization.

20101151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54241.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 20101151 is about 4483.4307176536. The cubic root of 20101151 is about 271.8986024517.

Adding to 20101151 its reverse (15110102), we get a palindrome (35211253).

The spelling of 20101151 in words is "twenty million, one hundred one thousand, one hundred fifty-one".