29915220194000 has 160 divisors (see below), whose sum is σ = 72483513662976. Its totient is φ = 11941537881600.

The previous prime is 29915220193891. The next prime is 29915220194047. The reversal of 29915220194000 is 49102251992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4569298727 + ... + 4569305273.

Almost surely, 2^{29915220194000} is an apocalyptic number.

29915220194000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29915220194000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36241756831488).

29915220194000 is an abundant number, since it is smaller than the sum of its proper divisors (42568293468976).

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

29915220194000 is a wasteful number, since it uses less digits than its factorization.

29915220194000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10910 (or 10894 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 29915220194000 in words is "twenty-nine trillion, nine hundred fifteen billion, two hundred twenty million, one hundred ninety-four thousand".