19192920202 has 16 divisors (see below), whose sum is σ = 30767765760. Its totient is φ = 8947549888.

The previous prime is 19192920199. The next prime is 19192920209. The reversal of 19192920202 is 20202929191.

It is not an unprimeable number, because it can be changed into a prime (19192920209) 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, 2634202 + ... + 2641477.

It is an arithmetic number, because the mean of its divisors is an integer number (1922985360).

Almost surely, 2^19192920202 is an apocalyptic number.

19192920202 is a deficient number, since it is larger than the sum of its proper divisors (11574845558).

19192920202 is a wasteful number, since it uses less digits than its factorization.

19192920202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5275805.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 19192920202 in words is "nineteen billion, one hundred ninety-two million, nine hundred twenty thousand, two hundred two".