20021102183 has 2 divisors, whose sum is σ = 20021102184. Its totient is φ = 20021102182.

The previous prime is 20021102177. The next prime is 20021102197. The reversal of 20021102183 is 38120112002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20021102183 - 2²⁸ = 19752666727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20021105183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10010551091 + 10010551092.

It is an arithmetic number, because the mean of its divisors is an integer number (10010551092).

Almost surely, 2^20021102183 is an apocalyptic number.

20021102183 is a deficient number, since it is larger than the sum of its proper divisors (1).

20021102183 is an equidigital number, since it uses as much as digits as its factorization.

20021102183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20021102183 its reverse (38120112002), we get a palindrome (58141214185).

The spelling of 20021102183 in words is "twenty billion, twenty-one million, one hundred two thousand, one hundred eighty-three".