20342676 has 24 divisors (see below), whose sum is σ = 50258880. Its totient is φ = 6381952.

The previous prime is 20342633. The next prime is 20342687. The reversal of 20342676 is 67624302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49656 + ... + 50063.

It is an arithmetic number, because the mean of its divisors is an integer number (2094120).

Almost surely, 2^20342676 is an apocalyptic number.

It is an amenable number.

20342676 is an abundant number, since it is smaller than the sum of its proper divisors (29916204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20342676 is a wasteful number, since it uses less digits than its factorization.

20342676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99743 (or 99741 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 20342676 is about 4510.2855785416. The cubic root of 20342676 is about 272.9832672324.

Adding to 20342676 its reverse (67624302), we get a palindrome (87966978).

The spelling of 20342676 in words is "twenty million, three hundred forty-two thousand, six hundred seventy-six".