20323222101 has 96 divisors (see below), whose sum is σ = 39290404608. Its totient is φ = 9816422400.

The previous prime is 20323222097. The next prime is 20323222103. The reversal of 20323222101 is 10122232302.

20323222101 is a `hidden beast` number, since 20 + 323 + 222 + 101 = 666.

It is not a de Polignac number, because 20323222101 - 2² = 20323222097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20323222103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 495426 + ... + 534876.

It is an arithmetic number, because the mean of its divisors is an integer number (409275048).

Almost surely, 2^20323222101 is an apocalyptic number.

20323222101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20323222101 is a deficient number, since it is larger than the sum of its proper divisors (18967182507).

20323222101 is a wasteful number, since it uses less digits than its factorization.

20323222101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39531 (or 39528 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20323222101 its reverse (10122232302), we get a palindrome (30445454403).

The spelling of 20323222101 in words is "twenty billion, three hundred twenty-three million, two hundred twenty-two thousand, one hundred one".