20585620722 has 16 divisors (see below), whose sum is σ = 43593079392. Its totient is φ = 6458233920.

The previous prime is 20585620717. The next prime is 20585620723. The reversal of 20585620722 is 22702658502.

It is not an unprimeable number, because it can be changed into a prime (20585620723) 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, 100909804 + ... + 100910007.

It is an arithmetic number, because the mean of its divisors is an integer number (2724567462).

Almost surely, 2^20585620722 is an apocalyptic number.

20585620722 is an abundant number, since it is smaller than the sum of its proper divisors (23007458670).

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

20585620722 is a wasteful number, since it uses less digits than its factorization.

20585620722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201819833.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 20585620722 in words is "twenty billion, five hundred eighty-five million, six hundred twenty thousand, seven hundred twenty-two".