20115274 has 8 divisors (see below), whose sum is σ = 30239748. Its totient is φ = 10035360.

The previous prime is 20115259. The next prime is 20115287. The reversal of 20115274 is 47251102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20115225 + 49 = 4485^2 + 7^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9987 + ... + 11830.

Almost surely, 2^20115274 is an apocalyptic number.

20115274 is a deficient number, since it is larger than the sum of its proper divisors (10124474).

20115274 is a wasteful number, since it uses less digits than its factorization.

20115274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22280.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 20115274 is about 4485.0054626500. The cubic root of 20115274 is about 271.9622658871.

Adding to 20115274 its reverse (47251102), we get a palindrome (67366376).

The spelling of 20115274 in words is "twenty million, one hundred fifteen thousand, two hundred seventy-four".