20614142865 has 16 divisors (see below), whose sum is σ = 32984782848. Its totient is φ = 10993491456.

The previous prime is 20614142849. The next prime is 20614142867. The reversal of 20614142865 is 56824141602.

It is a happy number.

It is not a de Polignac number, because 20614142865 - 2⁴ = 20614142849 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 258657 + ... + 328833.

It is an arithmetic number, because the mean of its divisors is an integer number (2061548928).

Almost surely, 2^20614142865 is an apocalyptic number.

It is an amenable number.

20614142865 is a deficient number, since it is larger than the sum of its proper divisors (12370639983).

20614142865 is a wasteful number, since it uses less digits than its factorization.

20614142865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89768.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 20614142865 in words is "twenty billion, six hundred fourteen million, one hundred forty-two thousand, eight hundred sixty-five".