20886000961 has 8 divisors (see below), whose sum is σ = 24171864320. Its totient is φ = 17675674848.

The previous prime is 20886000959. The next prime is 20886000983. The reversal of 20886000961 is 16900068802.

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

It is a cyclic number.

It is not a de Polignac number, because 20886000961 - 2¹ = 20886000959 is a prime.

It is a super-2 number, since 2×20886000961² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20886000901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18883716 + ... + 18884821.

It is an arithmetic number, because the mean of its divisors is an integer number (3021483040).

Almost surely, 2^20886000961 is an apocalyptic number.

It is an amenable number.

20886000961 is a deficient number, since it is larger than the sum of its proper divisors (3285863359).

20886000961 is an equidigital number, since it uses as much as digits as its factorization.

20886000961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37768623.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 20886000961 in words is "twenty billion, eight hundred eighty-six million, nine hundred sixty-one", and thus it is an aban number.