20061674 has 4 divisors (see below), whose sum is σ = 30092514. Its totient is φ = 10030836.

The previous prime is 20061673. The next prime is 20061737. The reversal of 20061674 is 47616002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15155449 + 4906225 = 3893^2 + 2215^2 .

It is not an unprimeable number, because it can be changed into a prime (20061673) 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 as a sum of consecutive naturals, namely, 5015417 + ... + 5015420.

Almost surely, 2^20061674 is an apocalyptic number.

20061674 is a deficient number, since it is larger than the sum of its proper divisors (10030840).

20061674 is a wasteful number, since it uses less digits than its factorization.

20061674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10030839.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 20061674 is about 4479.0260101946. The cubic root of 20061674 is about 271.7204903371.

Adding to 20061674 its reverse (47616002), we get a palindrome (67677676).

The spelling of 20061674 in words is "twenty million, sixty-one thousand, six hundred seventy-four".