20363109 has 16 divisors (see below), whose sum is σ = 29679552. Its totient is φ = 12342528.

The previous prime is 20363107. The next prime is 20363141. The reversal of 20363109 is 90136302.

It is not a de Polignac number, because 20363109 - 2¹ = 20363107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20363107) 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, 1284 + ... + 6509.

It is an arithmetic number, because the mean of its divisors is an integer number (1854972).

Almost surely, 2^20363109 is an apocalyptic number.

It is an amenable number.

20363109 is a deficient number, since it is larger than the sum of its proper divisors (9316443).

20363109 is a wasteful number, since it uses less digits than its factorization.

20363109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7876.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 20363109 is about 4512.5501659261. The cubic root of 20363109 is about 273.0746350970.

The spelling of 20363109 in words is "twenty million, three hundred sixty-three thousand, one hundred nine".