20882200889 has 4 divisors (see below), whose sum is σ = 22780582800. Its totient is φ = 18983818980.

The previous prime is 20882200883. The next prime is 20882200891. The reversal of 20882200889 is 98800228802.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20882200889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20882200883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949190939 + ... + 949190960.

It is an arithmetic number, because the mean of its divisors is an integer number (5695145700).

Almost surely, 2^20882200889 is an apocalyptic number.

It is an amenable number.

20882200889 is a deficient number, since it is larger than the sum of its proper divisors (1898381911).

20882200889 is a wasteful number, since it uses less digits than its factorization.

20882200889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898381910.

The product of its (nonzero) digits is 294912, while the sum is 47.

The spelling of 20882200889 in words is "twenty billion, eight hundred eighty-two million, two hundred thousand, eight hundred eighty-nine".