20302201101 has 32 divisors (see below), whose sum is σ = 33324318720. Its totient is φ = 10706318784.

The previous prime is 20302201099. The next prime is 20302201111. The reversal of 20302201101 is 10110220302.

It is not a de Polignac number, because 20302201101 - 2¹ = 20302201099 is a prime.

It is a super-2 number, since 2×20302201101² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302201111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1917460 + ... + 1928018.

It is an arithmetic number, because the mean of its divisors is an integer number (1041384960).

Almost surely, 2^20302201101 is an apocalyptic number.

20302201101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20302201101 is a deficient number, since it is larger than the sum of its proper divisors (13022117619).

20302201101 is a wasteful number, since it uses less digits than its factorization.

20302201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17625.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20302201101 its reverse (10110220302), we get a palindrome (30412421403).

The spelling of 20302201101 in words is "twenty billion, three hundred two million, two hundred one thousand, one hundred one".