20272654079 has 4 divisors (see below), whose sum is σ = 20282647560. Its totient is φ = 20262660600.

The previous prime is 20272654063. The next prime is 20272654081. The reversal of 20272654079 is 97045627202.

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 20272654079 - 2⁴ = 20272654063 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 (20272659079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4993697 + ... + 4997754.

It is an arithmetic number, because the mean of its divisors is an integer number (5070661890).

Almost surely, 2^20272654079 is an apocalyptic number.

20272654079 is a deficient number, since it is larger than the sum of its proper divisors (9993481).

20272654079 is an equidigital number, since it uses as much as digits as its factorization.

20272654079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9993480.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 20272654079 in words is "twenty billion, two hundred seventy-two million, six hundred fifty-four thousand, seventy-nine".