20706072296 has 96 divisors (see below), whose sum is σ = 50205818880. Its totient is φ = 7927113600.

The previous prime is 20706072281. The next prime is 20706072307. The reversal of 20706072296 is 69227060702.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 92441 + ... + 223511.

It is an arithmetic number, because the mean of its divisors is an integer number (522977280).

Almost surely, 2^20706072296 is an apocalyptic number.

20706072296 is a gapful number since it is divisible by the number (26) 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 20706072296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25102909440).

20706072296 is an abundant number, since it is smaller than the sum of its proper divisors (29499746584).

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

20706072296 is a wasteful number, since it uses less digits than its factorization.

20706072296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131135 (or 131124 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 20706072296 in words is "twenty billion, seven hundred six million, seventy-two thousand, two hundred ninety-six".