20677006 has 32 divisors (see below), whose sum is σ = 36771840. Its totient is φ = 8535456.

The previous prime is 20677003. The next prime is 20677037. The reversal of 20677006 is 60077602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20677003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92611 + ... + 92833.

It is an arithmetic number, because the mean of its divisors is an integer number (1149120).

Almost surely, 2^20677006 is an apocalyptic number.

20677006 is a deficient number, since it is larger than the sum of its proper divisors (16094834).

20677006 is a wasteful number, since it uses less digits than its factorization.

20677006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 20677006 is about 4547.1975985215. The cubic root of 20677006 is about 274.4706334301.

The spelling of 20677006 in words is "twenty million, six hundred seventy-seven thousand, six".