20067712027 has 4 divisors (see below), whose sum is σ = 21892049496. Its totient is φ = 18243374560.

The previous prime is 20067711959. The next prime is 20067712043. The reversal of 20067712027 is 72021776002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20067712027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20067711983 and 20067712001.

It is not an unprimeable number, because it can be changed into a prime (20067712057) 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, 912168718 + ... + 912168739.

It is an arithmetic number, because the mean of its divisors is an integer number (5473012374).

Almost surely, 2^20067712027 is an apocalyptic number.

20067712027 is a deficient number, since it is larger than the sum of its proper divisors (1824337469).

20067712027 is a wasteful number, since it uses less digits than its factorization.

20067712027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824337468.

The product of its (nonzero) digits is 16464, while the sum is 34.

It can be divided in two parts, 2006771202 and 7, that added together give a square (2006771209 = 44797²).

The spelling of 20067712027 in words is "twenty billion, sixty-seven million, seven hundred twelve thousand, twenty-seven".