20676190 has 16 divisors (see below), whose sum is σ = 37268928. Its totient is φ = 8258976.

The previous prime is 20676169. The next prime is 20676197. The reversal of 20676190 is 9167602.

It is a super-2 number, since 2×20676190² = 855009665832200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20676197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13504 + ... + 14956.

It is an arithmetic number, because the mean of its divisors is an integer number (2329308).

Almost surely, 2^20676190 is an apocalyptic number.

20676190 is a deficient number, since it is larger than the sum of its proper divisors (16592738).

20676190 is a wasteful number, since it uses less digits than its factorization.

20676190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2883.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 20676190 is about 4547.1078720435. The cubic root of 20676190 is about 274.4670228012.

The spelling of 20676190 in words is "twenty million, six hundred seventy-six thousand, one hundred ninety".