20120141 has 8 divisors (see below), whose sum is σ = 20475000. Its totient is φ = 19768320.

The previous prime is 20120081. The next prime is 20120143. The reversal of 20120141 is 14102102.

It can be written as a sum of positive squares in 4 ways, for example, as 504100 + 19616041 = 710^2 + 4429^2 .

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 20120141 - 2¹⁸ = 19857997 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 (20120143) 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, 15485 + ... + 16733.

It is an arithmetic number, because the mean of its divisors is an integer number (2559375).

Almost surely, 2^20120141 is an apocalyptic number.

It is an amenable number.

20120141 is a deficient number, since it is larger than the sum of its proper divisors (354859).

20120141 is a wasteful number, since it uses less digits than its factorization.

20120141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 20120141 is about 4485.5480155718. The cubic root of 20120141 is about 271.9841983684.

Adding to 20120141 its reverse (14102102), we get a palindrome (34222243).

The spelling of 20120141 in words is "twenty million, one hundred twenty thousand, one hundred forty-one".