20014151 has 16 divisors (see below), whose sum is σ = 22260096. Its totient is φ = 17911296.

The previous prime is 20014139. The next prime is 20014153. The reversal of 20014151 is 15141002.

It is a cyclic number.

It is not a de Polignac number, because 20014151 - 2¹⁰ = 20013127 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 (20014153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29225 + ... + 29901.

It is an arithmetic number, because the mean of its divisors is an integer number (1391256).

Almost surely, 2^20014151 is an apocalyptic number.

20014151 is a deficient number, since it is larger than the sum of its proper divisors (2245945).

20014151 is a wasteful number, since it uses less digits than its factorization.

20014151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 20014151 is about 4473.7178051370. The cubic root of 20014151 is about 271.5057661059.

Adding to 20014151 its reverse (15141002), we get a palindrome (35155153).

The spelling of 20014151 in words is "twenty million, fourteen thousand, one hundred fifty-one".