189220189202 has 16 divisors (see below), whose sum is σ = 309653537472. Its totient is φ = 86003482320.

The previous prime is 189220189183. The next prime is 189220189241. The reversal of 189220189202 is 202981022981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64628 + ... + 618560.

It is an arithmetic number, because the mean of its divisors is an integer number (19353346092).

Almost surely, 2^189220189202 is an apocalyptic number.

189220189202 is a deficient number, since it is larger than the sum of its proper divisors (120433348270).

189220189202 is a wasteful number, since it uses less digits than its factorization.

189220189202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569473.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 189220189202 in words is "one hundred eighty-nine billion, two hundred twenty million, one hundred eighty-nine thousand, two hundred two".