20001676 has 12 divisors (see below), whose sum is σ = 35137872. Its totient is φ = 9962288.

The previous prime is 20001659. The next prime is 20001679. The reversal of 20001676 is 67610002.

It is not an unprimeable number, because it can be changed into a prime (20001679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8455 + ... + 10558.

It is an arithmetic number, because the mean of its divisors is an integer number (2928156).

Almost surely, 2^20001676 is an apocalyptic number.

It is an amenable number.

20001676 is a deficient number, since it is larger than the sum of its proper divisors (15136196).

20001676 is a wasteful number, since it uses less digits than its factorization.

20001676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19280 (or 19278 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 20001676 is about 4472.3233335706. The cubic root of 20001676 is about 271.4493437209.

Adding to 20001676 its reverse (67610002), we get a palindrome (87611678).

The spelling of 20001676 in words is "twenty million, one thousand, six hundred seventy-six".