20656525671514 has 4 divisors (see below), whose sum is σ = 30984788507274. Its totient is φ = 10328262835756.

The previous prime is 20656525671479. The next prime is 20656525671547. The reversal of 20656525671514 is 41517652565602.

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

It can be written as a sum of positive squares in only one way, i.e., 15071220615889 + 5585305055625 = 3882167^2 + 2363325^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5164131417877 + ... + 5164131417880.

Almost surely, 2^{20656525671514} is an apocalyptic number.

20656525671514 is a deficient number, since it is larger than the sum of its proper divisors (10328262835760).

20656525671514 is a wasteful number, since it uses less digits than its factorization.

20656525671514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10328262835759.

The product of its (nonzero) digits is 15120000, while the sum is 55.

The spelling of 20656525671514 in words is "twenty trillion, six hundred fifty-six billion, five hundred twenty-five million, six hundred seventy-one thousand, five hundred fourteen".