20630756927 has 4 divisors (see below), whose sum is σ = 22506280296. Its totient is φ = 18755233560.

The previous prime is 20630756921. The next prime is 20630756941. The reversal of 20630756927 is 72965703602.

It is a happy number.

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 20630756927 - 2¹⁶ = 20630691391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20630756921) 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, 937761668 + ... + 937761689.

It is an arithmetic number, because the mean of its divisors is an integer number (5626570074).

Almost surely, 2^20630756927 is an apocalyptic number.

20630756927 is a deficient number, since it is larger than the sum of its proper divisors (1875523369).

20630756927 is a wasteful number, since it uses less digits than its factorization.

20630756927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1875523368.

The product of its (nonzero) digits is 952560, while the sum is 47.

The spelling of 20630756927 in words is "twenty billion, six hundred thirty million, seven hundred fifty-six thousand, nine hundred twenty-seven".