20377606067 has 16 divisors (see below), whose sum is σ = 25211461632. Its totient is φ = 16038514080.

The previous prime is 20377606063. The next prime is 20377606091. The reversal of 20377606067 is 76060677302.

It is a cyclic number.

It is not a de Polignac number, because 20377606067 - 2² = 20377606063 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (20377606063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 568823 + ... + 603584.

It is an arithmetic number, because the mean of its divisors is an integer number (1575716352).

Almost surely, 2^20377606067 is an apocalyptic number.

20377606067 is a deficient number, since it is larger than the sum of its proper divisors (4833855565).

20377606067 is a wasteful number, since it uses less digits than its factorization.

20377606067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172618.

The product of its (nonzero) digits is 444528, while the sum is 44.

The spelling of 20377606067 in words is "twenty billion, three hundred seventy-seven million, six hundred six thousand, sixty-seven".