20614142866 has 4 divisors (see below), whose sum is σ = 30921214302. Its totient is φ = 10307071432.

The previous prime is 20614142849. The next prime is 20614142867. The reversal of 20614142866 is 66824141602.

20614142866 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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., 19217999641 + 1396143225 = 138629^2 + 37365^2 .

It is not an unprimeable number, because it can be changed into a prime (20614142867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5153535715 + ... + 5153535718.

Almost surely, 2^20614142866 is an apocalyptic number.

20614142866 is a deficient number, since it is larger than the sum of its proper divisors (10307071436).

20614142866 is a wasteful number, since it uses less digits than its factorization.

20614142866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10307071435.

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 20614142866 in words is "twenty billion, six hundred fourteen million, one hundred forty-two thousand, eight hundred sixty-six".