20302202101 has 16 divisors (see below), whose sum is σ = 21300012720. Its totient is φ = 19332218880.

The previous prime is 20302202087. The next prime is 20302202113. The reversal of 20302202101 is 10120220302.

It can be written as a sum of positive squares in 8 ways, for example, as 117180625 + 20185021476 = 10825^2 + 142074^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302202101 - 2¹¹ = 20302200053 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 (20302202131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395185 + ... + 443593.

It is an arithmetic number, because the mean of its divisors is an integer number (1331250795).

Almost surely, 2^20302202101 is an apocalyptic number.

It is an amenable number.

20302202101 is a deficient number, since it is larger than the sum of its proper divisors (997810619).

20302202101 is a wasteful number, since it uses less digits than its factorization.

20302202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48696.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20302202101 its reverse (10120220302), we get a palindrome (30422422403).

The spelling of 20302202101 in words is "twenty billion, three hundred two million, two hundred two thousand, one hundred one".