20002202123 has 2 divisors, whose sum is σ = 20002202124. Its totient is φ = 20002202122.

The previous prime is 20002202119. The next prime is 20002202131. The reversal of 20002202123 is 32120220002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002202123 - 2² = 20002202119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002202098 and 20002202107.

It is not a weakly prime, because it can be changed into another prime (20002232123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001101061 + 10001101062.

It is an arithmetic number, because the mean of its divisors is an integer number (10001101062).

Almost surely, 2^20002202123 is an apocalyptic number.

20002202123 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002202123 is an equidigital number, since it uses as much as digits as its factorization.

20002202123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 14.

Adding to 20002202123 its reverse (32120220002), we get a palindrome (52122422125).

The spelling of 20002202123 in words is "twenty billion, two million, two hundred two thousand, one hundred twenty-three".