20361315 has 16 divisors (see below), whose sum is σ = 35084448. Its totient is φ = 10023936.

The previous prime is 20361301. The next prime is 20361323. The reversal of 20361315 is 51316302.

It is not a de Polignac number, because 20361315 - 2¹¹ = 20359267 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20361291 and 20361300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52014 + ... + 52403.

It is an arithmetic number, because the mean of its divisors is an integer number (2192778).

Almost surely, 2^20361315 is an apocalyptic number.

20361315 is a deficient number, since it is larger than the sum of its proper divisors (14723133).

20361315 is a wasteful number, since it uses less digits than its factorization.

20361315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104438.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 20361315 is about 4512.3513825942. The cubic root of 20361315 is about 273.0666155245.

Adding to 20361315 its reverse (51316302), we get a palindrome (71677617).

The spelling of 20361315 in words is "twenty million, three hundred sixty-one thousand, three hundred fifteen".