20674606 has 4 divisors (see below), whose sum is σ = 31011912. Its totient is φ = 10337302.

The previous prime is 20674597. The next prime is 20674609. The reversal of 20674606 is 60647602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20674609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5168650 + ... + 5168653.

It is an arithmetic number, because the mean of its divisors is an integer number (7752978).

Almost surely, 2^20674606 is an apocalyptic number.

20674606 is a deficient number, since it is larger than the sum of its proper divisors (10337306).

20674606 is a wasteful number, since it uses less digits than its factorization.

20674606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10337305.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 20674606 is about 4546.9336920611. The cubic root of 20674606 is about 274.4600136623.

The spelling of 20674606 in words is "twenty million, six hundred seventy-four thousand, six hundred six".