20722001101 has 8 divisors (see below), whose sum is σ = 21394566144. Its totient is φ = 20057395680.

The previous prime is 20722001093. The next prime is 20722001107. The reversal of 20722001101 is 10110022702.

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

It is a cyclic number.

It is not a de Polignac number, because 20722001101 - 2³ = 20722001093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20722001107) 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, 1984615 + ... + 1995028.

It is an arithmetic number, because the mean of its divisors is an integer number (2674320768).

Almost surely, 2^20722001101 is an apocalyptic number.

It is an amenable number.

20722001101 is a deficient number, since it is larger than the sum of its proper divisors (672565043).

20722001101 is a wasteful number, since it uses less digits than its factorization.

20722001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3979811.

The product of its (nonzero) digits is 56, while the sum is 16.

Adding to 20722001101 its reverse (10110022702), we get a palindrome (30832023803).

The spelling of 20722001101 in words is "twenty billion, seven hundred twenty-two million, one thousand, one hundred one".