20770627 has 4 divisors (see below), whose sum is σ = 20804176. Its totient is φ = 20737080.

The previous prime is 20770619. The next prime is 20770637. The reversal of 20770627 is 72607702.

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 20770627 - 2³ = 20770619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20770637) 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, 15828 + ... + 17089.

It is an arithmetic number, because the mean of its divisors is an integer number (5201044).

Almost surely, 2^20770627 is an apocalyptic number.

20770627 is a deficient number, since it is larger than the sum of its proper divisors (33549).

20770627 is an equidigital number, since it uses as much as digits as its factorization.

20770627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33548.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 20770627 is about 4557.4803345708. The cubic root of 20770627 is about 274.8842576291.

The spelling of 20770627 in words is "twenty million, seven hundred seventy thousand, six hundred twenty-seven".