20354201101 has 16 divisors (see below), whose sum is σ = 22121769600. Its totient is φ = 18616148928.

The previous prime is 20354201093. The next prime is 20354201183. The reversal of 20354201101 is 10110245302.

It is not a de Polignac number, because 20354201101 - 2³ = 20354201093 is a prime.

It is a super-2 number, since 2×20354201101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20354201191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718830 + ... + 746608.

It is an arithmetic number, because the mean of its divisors is an integer number (1382610600).

Almost surely, 2^20354201101 is an apocalyptic number.

It is an amenable number.

20354201101 is a deficient number, since it is larger than the sum of its proper divisors (1767568499).

20354201101 is a wasteful number, since it uses less digits than its factorization.

20354201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28308.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 20354201101 its reverse (10110245302), we get a palindrome (30464446403).

The spelling of 20354201101 in words is "twenty billion, three hundred fifty-four million, two hundred one thousand, one hundred one".