20196619849404 has 36 divisors (see below), whose sum is σ = 51059651244784. Its totient is φ = 6731272409472.

The previous prime is 20196619849381. The next prime is 20196619849447. The reversal of 20196619849404 is 40494891669102.

20196619849404 is a `hidden beast` number, since 2 + 0 + 1 + 9 + 6 + 619 + 8 + 4 + 9 + 4 + 0 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38662237 + ... + 39181140.

Almost surely, 2^{20196619849404} is an apocalyptic number.

It is an amenable number.

20196619849404 is an abundant number, since it is smaller than the sum of its proper divisors (30863031395380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20196619849404 is a wasteful number, since it uses less digits than its factorization.

20196619849404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77850594 (or 77850589 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 20196619849404 in words is "twenty trillion, one hundred ninety-six billion, six hundred nineteen million, eight hundred forty-nine thousand, four hundred four".