29202120194 has 48 divisors (see below), whose sum is σ = 48714186024. Its totient is φ = 13050516480.

The previous prime is 29202120191. The next prime is 29202120221. The reversal of 29202120194 is 49102120292.

It can be written as a sum of positive squares in 12 ways, for example, as 5265388969 + 23936731225 = 72563^2 + 154715^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29202120194.

It is not an unprimeable number, because it can be changed into a prime (29202120191) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5985284 + ... + 5990160.

Almost surely, 2^29202120194 is an apocalyptic number.

29202120194 is a deficient number, since it is larger than the sum of its proper divisors (19512065830).

29202120194 is a wasteful number, since it uses less digits than its factorization.

29202120194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 29202120194 in words is "twenty-nine billion, two hundred two million, one hundred twenty thousand, one hundred ninety-four".