20200861027 has 4 divisors (see below), whose sum is σ = 20312468176. Its totient is φ = 20089253880.

The previous prime is 20200861019. The next prime is 20200861033. The reversal of 20200861027 is 72016800202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20200861027 - 2³ = 20200861019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20200860986 and 20200861004.

It is not an unprimeable number, because it can be changed into a prime (20200861627) 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, 55803303 + ... + 55803664.

It is an arithmetic number, because the mean of its divisors is an integer number (5078117044).

Almost surely, 2^20200861027 is an apocalyptic number.

20200861027 is a deficient number, since it is larger than the sum of its proper divisors (111607149).

20200861027 is a wasteful number, since it uses less digits than its factorization.

20200861027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111607148.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 20200861027 in words is "twenty billion, two hundred million, eight hundred sixty-one thousand, twenty-seven".