20374115 has 4 divisors (see below), whose sum is σ = 24448944. Its totient is φ = 16299288.

The previous prime is 20374103. The next prime is 20374127. The reversal of 20374115 is 51147302.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51147302 = 2 ⋅25573651.

It is an interprime number because it is at equal distance from previous prime (20374103) and next prime (20374127).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20374115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037407 + ... + 2037416.

It is an arithmetic number, because the mean of its divisors is an integer number (6112236).

Almost surely, 2^20374115 is an apocalyptic number.

20374115 is a deficient number, since it is larger than the sum of its proper divisors (4074829).

20374115 is an equidigital number, since it uses as much as digits as its factorization.

20374115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074828.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 20374115 is about 4513.7694890191. The cubic root of 20374115 is about 273.1238240187.

The spelling of 20374115 in words is "twenty million, three hundred seventy-four thousand, one hundred fifteen".