20302032021101 has 4 divisors (see below), whose sum is σ = 20407223897052. Its totient is φ = 20196840145152.

The previous prime is 20302032021067. The next prime is 20302032021197. The reversal of 20302032021101 is 10112023020302.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14655681819076 + 5646350202025 = 3828274^2 + 2376205^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302032021101 - 2¹⁴ = 20302032004717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20302032021101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302032221101) 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, 52595937686 + ... + 52595938071.

It is an arithmetic number, because the mean of its divisors is an integer number (5101805974263).

Almost surely, 2^{20302032021101} is an apocalyptic number.

It is an amenable number.

20302032021101 is a deficient number, since it is larger than the sum of its proper divisors (105191875951).

20302032021101 is a wasteful number, since it uses less digits than its factorization.

20302032021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105191875950.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20302032021101 its reverse (10112023020302), we get a palindrome (30414055041403).

The spelling of 20302032021101 in words is "twenty trillion, three hundred two billion, thirty-two million, twenty-one thousand, one hundred one".