20360149 has 16 divisors (see below), whose sum is σ = 21901824. Its totient is φ = 18892800.

The previous prime is 20360143. The next prime is 20360183. The reversal of 20360149 is 94106302.

It is not a de Polignac number, because 20360149 - 2⁹ = 20359637 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 (20360143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105397 + ... + 105589.

It is an arithmetic number, because the mean of its divisors is an integer number (1368864).

Almost surely, 2^20360149 is an apocalyptic number.

It is an amenable number.

20360149 is a deficient number, since it is larger than the sum of its proper divisors (1541675).

20360149 is a wasteful number, since it uses less digits than its factorization.

20360149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 20360149 is about 4512.2221798134. Note that the first 3 decimals coincide. The cubic root of 20360149 is about 273.0614029969.

The spelling of 20360149 in words is "twenty million, three hundred sixty thousand, one hundred forty-nine".