20706363065 has 16 divisors (see below), whose sum is σ = 26314962048. Its totient is φ = 15608372736.

The previous prime is 20706363031. The next prime is 20706363071. The reversal of 20706363065 is 56036360702.

It is a cyclic number.

It is not a de Polignac number, because 20706363065 - 2¹⁰ = 20706362041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1335992 + ... + 1351401.

It is an arithmetic number, because the mean of its divisors is an integer number (1644685128).

Almost surely, 2^20706363065 is an apocalyptic number.

It is an amenable number.

20706363065 is a deficient number, since it is larger than the sum of its proper divisors (5608598983).

20706363065 is a wasteful number, since it uses less digits than its factorization.

20706363065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2687488.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 20706363065 in words is "twenty billion, seven hundred six million, three hundred sixty-three thousand, sixty-five".