20612274 has 8 divisors (see below), whose sum is σ = 41224560. Its totient is φ = 6870756.

The previous prime is 20612269. The next prime is 20612341. The reversal of 20612274 is 47221602.

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

20612274 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717684 + ... + 1717695.

It is an arithmetic number, because the mean of its divisors is an integer number (5153070).

Almost surely, 2^20612274 is an apocalyptic number.

20612274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20612274 is a wasteful number, since it uses less digits than its factorization.

20612274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435384.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 20612274 is about 4540.0742284681. The cubic root of 20612274 is about 274.1839122608.

Adding to 20612274 its reverse (47221602), we get a palindrome (67833876).

The spelling of 20612274 in words is "twenty million, six hundred twelve thousand, two hundred seventy-four".