20214174766561 has 8 divisors (see below), whose sum is σ = 20216516785920. Its totient is φ = 20211832918992.

The previous prime is 20214174766559. The next prime is 20214174766579. The reversal of 20214174766561 is 16566747141202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20214174766561 - 2¹ = 20214174766559 is a prime.

It is a super-2 number, since 2×20214174766561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20214174766499 and 20214174766508.

It is not an unprimeable number, because it can be changed into a prime (20214174766061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506816926 + ... + 506856808.

It is an arithmetic number, because the mean of its divisors is an integer number (2527064598240).

Almost surely, 2^{20214174766561} is an apocalyptic number.

It is an amenable number.

20214174766561 is a deficient number, since it is larger than the sum of its proper divisors (2342019359).

20214174766561 is a wasteful number, since it uses less digits than its factorization.

20214174766561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85895.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 20214174766561 in words is "twenty trillion, two hundred fourteen billion, one hundred seventy-four million, seven hundred sixty-six thousand, five hundred sixty-one".