20332115 has 12 divisors (see below), whose sum is σ = 25508784. Its totient is φ = 15556464.

The previous prime is 20332099. The next prime is 20332133. The reversal of 20332115 is 51123302.

It is not a de Polignac number, because 20332115 - 2⁴ = 20332099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20332093 and 20332102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1199 + ... + 6488.

It is an arithmetic number, because the mean of its divisors is an integer number (2125732).

Almost surely, 2^20332115 is an apocalyptic number.

20332115 is a deficient number, since it is larger than the sum of its proper divisors (5176669).

20332115 is an equidigital number, since it uses as much as digits as its factorization.

20332115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738 (or 7715 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 20332115 is about 4509.1146581119. The cubic root of 20332115 is about 272.9360188545.

Adding to 20332115 its reverse (51123302), we get a palindrome (71455417).

The spelling of 20332115 in words is "twenty million, three hundred thirty-two thousand, one hundred fifteen".