20358260385 has 8 divisors (see below), whose sum is σ = 32573216640. Its totient is φ = 10857738864.

The previous prime is 20358260371. The next prime is 20358260423. The reversal of 20358260385 is 58306285302.

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

It is not a de Polignac number, because 20358260385 - 2¹³ = 20358252193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678608665 + ... + 678608694.

It is an arithmetic number, because the mean of its divisors is an integer number (4071652080).

Almost surely, 2^20358260385 is an apocalyptic number.

It is an amenable number.

20358260385 is a deficient number, since it is larger than the sum of its proper divisors (12214956255).

20358260385 is a wasteful number, since it uses less digits than its factorization.

20358260385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357217367.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20358260385 in words is "twenty billion, three hundred fifty-eight million, two hundred sixty thousand, three hundred eighty-five".