20833117722 has 24 divisors (see below), whose sum is σ = 45212808576. Its totient is φ = 6932928456.

The previous prime is 20833117691. The next prime is 20833117727. The reversal of 20833117722 is 22771133802.

It is not an unprimeable number, because it can be changed into a prime (20833117727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 942448 + ... + 964299.

It is an arithmetic number, because the mean of its divisors is an integer number (1883867024).

Almost surely, 2^20833117722 is an apocalyptic number.

20833117722 is an abundant number, since it is smaller than the sum of its proper divisors (24379690854).

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

20833117722 is a wasteful number, since it uses less digits than its factorization.

20833117722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907362 (or 1907359 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 20833117722 in words is "twenty billion, eight hundred thirty-three million, one hundred seventeen thousand, seven hundred twenty-two".