192020930 has 16 divisors (see below), whose sum is σ = 346098744. Its totient is φ = 76705920.

The previous prime is 192020921. The next prime is 192020947. The reversal of 192020930 is 39020291.

192020930 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57623281 + 134397649 = 7591^2 + 11593^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 192020930.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4691 + ... + 20150.

Almost surely, 2^192020930 is an apocalyptic number.

192020930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

192020930 is a deficient number, since it is larger than the sum of its proper divisors (154077814).

192020930 is a wasteful number, since it uses less digits than its factorization.

192020930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25621.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 192020930 is about 13857.1616862906. The cubic root of 192020930 is about 576.9207900582.

The spelling of 192020930 in words is "one hundred ninety-two million, twenty thousand, nine hundred thirty".