20468055427 has 8 divisors (see below), whose sum is σ = 21389677056. Its totient is φ = 19566689352.

The previous prime is 20468055409. The next prime is 20468055451. The reversal of 20468055427 is 72455086402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20468055427 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20468055467) 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, 5061823 + ... + 5065864.

It is an arithmetic number, because the mean of its divisors is an integer number (2673709632).

Almost surely, 2^20468055427 is an apocalyptic number.

20468055427 is a deficient number, since it is larger than the sum of its proper divisors (921621629).

20468055427 is a wasteful number, since it uses less digits than its factorization.

20468055427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10127777.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 20468055427 in words is "twenty billion, four hundred sixty-eight million, fifty-five thousand, four hundred twenty-seven".