20177342401207 has 8 divisors (see below), whose sum is σ = 20742736692656. Its totient is φ = 19613003936832.

The previous prime is 20177342401141. The next prime is 20177342401217. The reversal of 20177342401207 is 70210424377102.

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

It is a cyclic number.

It is not a de Polignac number, because 20177342401207 - 2⁷ = 20177342401079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20177342401207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20177342401217) 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, 263918013 + ... + 263994454.

It is an arithmetic number, because the mean of its divisors is an integer number (2592842086582).

Almost surely, 2^{20177342401207} is an apocalyptic number.

20177342401207 is a deficient number, since it is larger than the sum of its proper divisors (565394291449).

20177342401207 is a wasteful number, since it uses less digits than its factorization.

20177342401207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527913537.

The product of its (nonzero) digits is 131712, while the sum is 40.

Adding to 20177342401207 its reverse (70210424377102), we get a palindrome (90387766778309).

The spelling of 20177342401207 in words is "twenty trillion, one hundred seventy-seven billion, three hundred forty-two million, four hundred one thousand, two hundred seven".