20572716122 has 8 divisors (see below), whose sum is σ = 35267513376. Its totient is φ = 8816878332.

The previous prime is 20572716121. The next prime is 20572716133. The reversal of 20572716122 is 22161727502.

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

It is not an unprimeable number, because it can be changed into a prime (20572716121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 734739848 + ... + 734739875.

It is an arithmetic number, because the mean of its divisors is an integer number (4408439172).

Almost surely, 2^20572716122 is an apocalyptic number.

20572716122 is a deficient number, since it is larger than the sum of its proper divisors (14694797254).

20572716122 is a wasteful number, since it uses less digits than its factorization.

20572716122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469479732.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 20572716122 in words is "twenty billion, five hundred seventy-two million, seven hundred sixteen thousand, one hundred twenty-two".