20131676 has 6 divisors (see below), whose sum is σ = 35230440. Its totient is φ = 10065836.

The previous prime is 20131673. The next prime is 20131681. The reversal of 20131676 is 67613102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20131673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2516456 + ... + 2516463.

It is an arithmetic number, because the mean of its divisors is an integer number (5871740).

Almost surely, 2^20131676 is an apocalyptic number.

It is an amenable number.

20131676 is a deficient number, since it is larger than the sum of its proper divisors (15098764).

20131676 is a wasteful number, since it uses less digits than its factorization.

20131676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032923 (or 5032921 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 20131676 is about 4486.8336274036. The cubic root of 20131676 is about 272.0361651740.

Adding to 20131676 its reverse (67613102), we get a palindrome (87744778).

The spelling of 20131676 in words is "twenty million, one hundred thirty-one thousand, six hundred seventy-six".