20876486 has 4 divisors (see below), whose sum is σ = 31314732. Its totient is φ = 10438242.

The previous prime is 20876483. The next prime is 20876489. The reversal of 20876486 is 68467802.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20876483) and next prime (20876489).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20876483) by changing a digit.

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 as a sum of consecutive naturals, namely, 5219120 + ... + 5219123.

It is an arithmetic number, because the mean of its divisors is an integer number (7828683).

Almost surely, 2^20876486 is an apocalyptic number.

20876486 is a deficient number, since it is larger than the sum of its proper divisors (10438246).

20876486 is a wasteful number, since it uses less digits than its factorization.

20876486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438245.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 20876486 is about 4569.0793383350. The cubic root of 20876486 is about 275.3504556744.

The spelling of 20876486 in words is "twenty million, eight hundred seventy-six thousand, four hundred eighty-six".