20194327369377 has 12 divisors (see below), whose sum is σ = 33336667403520. Its totient is φ = 11539615639608.

The previous prime is 20194327369369. The next prime is 20194327369477. The reversal of 20194327369377 is 77396372349102.

It is a happy number.

20194327369377 is a `hidden beast` number, since 2 + 0 + 1 + 9 + 432 + 73 + 69 + 3 + 77 = 666.

It is not a de Polignac number, because 20194327369377 - 2³ = 20194327369369 is a prime.

It is a super-3 number, since 3×20194327369377³ (a number of 41 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 320544878879 = 20194327369377 / (2 + 0 + 1 + 9 + 4 + 3 + 2 + 7 + 3 + 6 + 9 + 3 + 7 + 7).

It is not an unprimeable number, because it can be changed into a prime (20194327369357) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160272439377 + ... + 160272439502.

It is an arithmetic number, because the mean of its divisors is an integer number (2778055616960).

Almost surely, 2^{20194327369377} is an apocalyptic number.

It is an amenable number.

20194327369377 is a deficient number, since it is larger than the sum of its proper divisors (13142340034143).

20194327369377 is a wasteful number, since it uses less digits than its factorization.

20194327369377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320544878892 (or 320544878889 counting only the distinct ones).

The product of its (nonzero) digits is 72013536, while the sum is 63.

The spelling of 20194327369377 in words is "twenty trillion, one hundred ninety-four billion, three hundred twenty-seven million, three hundred sixty-nine thousand, three hundred seventy-seven".