20196619849467 has 12 divisors (see below), whose sum is σ = 30178857246720. Its totient is φ = 13000123121328.

The previous prime is 20196619849457. The next prime is 20196619849481. The reversal of 20196619849467 is 76494891669102.

20196619849467 is a `hidden beast` number, since 2 + 0 + 1 + 9 + 66 + 19 + 8 + 494 + 67 = 666.

It is not a de Polignac number, because 20196619849467 - 2⁴ = 20196619849451 is a prime.

It is a hoax number, since the sum of its digits (72) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20196619849395 and 20196619849404.

It is not an unprimeable number, because it can be changed into a prime (20196619849447) 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, 38690842363 + ... + 38690842884.

It is an arithmetic number, because the mean of its divisors is an integer number (2514904770560).

Almost surely, 2^{20196619849467} is an apocalyptic number.

20196619849467 is a deficient number, since it is larger than the sum of its proper divisors (9982237397253).

20196619849467 is a wasteful number, since it uses less digits than its factorization.

20196619849467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77381685282 (or 77381685279 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 20196619849467 in words is "twenty trillion, one hundred ninety-six billion, six hundred nineteen million, eight hundred forty-nine thousand, four hundred sixty-seven".