20122130233 has 2 divisors, whose sum is σ = 20122130234. Its totient is φ = 20122130232.

The previous prime is 20122130219. The next prime is 20122130243. The reversal of 20122130233 is 33203122102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18420732729 + 1701397504 = 135723^2 + 41248^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122130233 - 2⁵ = 20122130201 is a prime.

It is a super-2 number, since 2×20122130233² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20122130233.

It is not a weakly prime, because it can be changed into another prime (20122130243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061065116 + 10061065117.

It is an arithmetic number, because the mean of its divisors is an integer number (10061065117).

Almost surely, 2^20122130233 is an apocalyptic number.

It is an amenable number.

20122130233 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122130233 is an equidigital number, since it uses as much as digits as its factorization.

20122130233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20122130233 its reverse (33203122102), we get a palindrome (53325252335).

The spelling of 20122130233 in words is "twenty billion, one hundred twenty-two million, one hundred thirty thousand, two hundred thirty-three".