20296649429929 has 8 divisors (see below), whose sum is σ = 20998095261120. Its totient is φ = 19595307690000.

The previous prime is 20296649429921. The next prime is 20296649429957. The reversal of 20296649429929 is 92992494669202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20296649429929 - 2³ = 20296649429921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20296649429921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25625997 + ... + 26406154.

It is an arithmetic number, because the mean of its divisors is an integer number (2624761907640).

Almost surely, 2^{20296649429929} is an apocalyptic number.

20296649429929 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20296649429929 is a deficient number, since it is larger than the sum of its proper divisors (701445831191).

20296649429929 is a wasteful number, since it uses less digits than its factorization.

20296649429929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52045631.

The product of its (nonzero) digits is 544195584, while the sum is 73.

The spelling of 20296649429929 in words is "twenty trillion, two hundred ninety-six billion, six hundred forty-nine million, four hundred twenty-nine thousand, nine hundred twenty-nine".