29320197992 has 16 divisors (see below), whose sum is σ = 54978518400. Its totient is φ = 14659259760.

The previous prime is 29320197983. The next prime is 29320198007. The reversal of 29320197992 is 29979102392.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58559 + ... + 249137.

It is an arithmetic number, because the mean of its divisors is an integer number (3436157400).

Almost surely, 2^29320197992 is an apocalyptic number.

It is an amenable number.

29320197992 is a deficient number, since it is larger than the sum of its proper divisors (25658320408).

29320197992 is a wasteful number, since it uses less digits than its factorization.

29320197992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209816 (or 209812 counting only the distinct ones).

The product of its (nonzero) digits is 1102248, while the sum is 53.

It can be divided in two parts, 293201 and 97992, that added together give a palindrome (391193).

The spelling of 29320197992 in words is "twenty-nine billion, three hundred twenty million, one hundred ninety-seven thousand, nine hundred ninety-two".