20067450655 has 8 divisors (see below), whose sum is σ = 27521075232. Its totient is φ = 13760537568.

The previous prime is 20067450643. The next prime is 20067450671. The reversal of 20067450655 is 55605476002.

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-20067450655 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286677832 + ... + 286677901.

It is an arithmetic number, because the mean of its divisors is an integer number (3440134404).

Almost surely, 2^20067450655 is an apocalyptic number.

20067450655 is a deficient number, since it is larger than the sum of its proper divisors (7453624577).

20067450655 is an equidigital number, since it uses as much as digits as its factorization.

20067450655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573355745.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 20067450655 in words is "twenty billion, sixty-seven million, four hundred fifty thousand, six hundred fifty-five".