20022720727296 has 72 divisors (see below), whose sum is σ = 60902442228544. Its totient is φ = 5720777349120.

The previous prime is 20022720727259. The next prime is 20022720727297. The reversal of 20022720727296 is 69272702722002.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (20022720727297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862226835 + ... + 1862237586.

Almost surely, 2^{20022720727296} is an apocalyptic number.

It is an amenable number.

20022720727296 is an abundant number, since it is smaller than the sum of its proper divisors (40879721501248).

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

20022720727296 is an equidigital number, since it uses as much as digits as its factorization.

20022720727296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3724464447 (or 3724464433 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 48.

The spelling of 20022720727296 in words is "twenty trillion, twenty-two billion, seven hundred twenty million, seven hundred twenty-seven thousand, two hundred ninety-six".