19202020109192 has 32 divisors (see below), whose sum is σ = 36064592539200. Its totient is φ = 9584805242304.

The previous prime is 19202020109179. The next prime is 19202020109219. The reversal of 19202020109192 is 29190102020291.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15089693 + ... + 16312659.

It is an arithmetic number, because the mean of its divisors is an integer number (1127018516850).

Almost surely, 2^{19202020109192} is an apocalyptic number.

It is an amenable number.

19202020109192 is a deficient number, since it is larger than the sum of its proper divisors (16862572430008).

19202020109192 is a wasteful number, since it uses less digits than its factorization.

19202020109192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226285 (or 1226281 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 19202020109192 in words is "nineteen trillion, two hundred two billion, twenty million, one hundred nine thousand, one hundred ninety-two".