20131274 has 8 divisors (see below), whose sum is σ = 30270240. Its totient is φ = 10041196.

The previous prime is 20131273. The next prime is 20131277. The reversal of 20131274 is 47213102.

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

It is not an unprimeable number, because it can be changed into a prime (20131271) by changing a digit.

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, 11174 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (3783780).

Almost surely, 2^20131274 is an apocalyptic number.

20131274 is a deficient number, since it is larger than the sum of its proper divisors (10138966).

20131274 is a wasteful number, since it uses less digits than its factorization.

20131274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24444.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20131274 is about 4486.7888294414. The cubic root of 20131274 is about 272.0343544410.

Adding to 20131274 its reverse (47213102), we get a palindrome (67344376).

It can be divided in two parts, 2013127 and 4, that multiplied together give a palindrome (8052508).

The spelling of 20131274 in words is "twenty million, one hundred thirty-one thousand, two hundred seventy-four".