29201920194 has 32 divisors (see below), whose sum is σ = 59046014016. Its totient is φ = 9627242240.

The previous prime is 29201920157. The next prime is 29201920213. The reversal of 29201920194 is 49102910292.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359254 + ... + 432974.

It is an arithmetic number, because the mean of its divisors is an integer number (1845187938).

Almost surely, 2^29201920194 is an apocalyptic number.

29201920194 is an abundant number, since it is smaller than the sum of its proper divisors (29844093822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29201920194 is a wasteful number, since it uses less digits than its factorization.

29201920194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74450.

The product of its (nonzero) digits is 23328, while the sum is 39.

It can be divided in two parts, 292019 and 20194, that added together give a palindrome (312213).

The spelling of 29201920194 in words is "twenty-nine billion, two hundred one million, nine hundred twenty thousand, one hundred ninety-four".