20066358635 has 16 divisors (see below), whose sum is σ = 24310437984. Its totient is φ = 15899423232.

The previous prime is 20066358601. The next prime is 20066358661. The reversal of 20066358635 is 53685366002.

It is a cyclic number.

It is not a de Polignac number, because 20066358635 - 2¹⁶ = 20066293099 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, 808724 + ... + 833166.

It is an arithmetic number, because the mean of its divisors is an integer number (1519402374).

Almost surely, 2^20066358635 is an apocalyptic number.

20066358635 is a deficient number, since it is larger than the sum of its proper divisors (4244079349).

20066358635 is a wasteful number, since it uses less digits than its factorization.

20066358635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26014.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 20066358635 in words is "twenty billion, sixty-six million, three hundred fifty-eight thousand, six hundred thirty-five".