20141961 has 16 divisors (see below), whose sum is σ = 31273344. Its totient is φ = 11291904.

The previous prime is 20141939. The next prime is 20142007. The reversal of 20141961 is 16914102.

It is not a de Polignac number, because 20141961 - 2⁵ = 20141929 is a prime.

It is a Curzon number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (20141161) 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 15 ways as a sum of consecutive naturals, for example, 7936 + ... + 10161.

It is an arithmetic number, because the mean of its divisors is an integer number (1954584).

Almost surely, 2^20141961 is an apocalyptic number.

20141961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20141961 is a deficient number, since it is larger than the sum of its proper divisors (11131383).

20141961 is a wasteful number, since it uses less digits than its factorization.

20141961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18160.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 20141961 is about 4487.9796122532. The cubic root of 20141961 is about 272.0824838150.

The spelling of 20141961 in words is "twenty million, one hundred forty-one thousand, nine hundred sixty-one".