20827627049 has 8 divisors (see below), whose sum is σ = 21256917000. Its totient is φ = 20401171200.

The previous prime is 20827627033. The next prime is 20827627091. The reversal of 20827627049 is 94072672802.

It can be written as a sum of positive squares in 4 ways, for example, as 2510711449 + 18316915600 = 50107^2 + 135340^2 .

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 20827627049 - 2⁴ = 20827627033 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20827626994 and 20827627012.

It is not an unprimeable number, because it can be changed into a prime (20827627099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693674 + ... + 723075.

It is an arithmetic number, because the mean of its divisors is an integer number (2657114625).

Almost surely, 2^20827627049 is an apocalyptic number.

It is an amenable number.

20827627049 is a deficient number, since it is larger than the sum of its proper divisors (429289951).

20827627049 is a wasteful number, since it uses less digits than its factorization.

20827627049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417051.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 20827627049 in words is "twenty billion, eight hundred twenty-seven million, six hundred twenty-seven thousand, forty-nine".