20122645033 has 2 divisors, whose sum is σ = 20122645034. Its totient is φ = 20122645032.

The previous prime is 20122645013. The next prime is 20122645043. The reversal of 20122645033 is 33054622102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20075489344 + 47155689 = 141688^2 + 6867^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122645033 - 2²⁹ = 19585774121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20122644992 and 20122645010.

It is not a weakly prime, because it can be changed into another prime (20122645013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061322516 + 10061322517.

It is an arithmetic number, because the mean of its divisors is an integer number (10061322517).

Almost surely, 2^20122645033 is an apocalyptic number.

It is an amenable number.

20122645033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122645033 is an equidigital number, since it uses as much as digits as its factorization.

20122645033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 20122645033 in words is "twenty billion, one hundred twenty-two million, six hundred forty-five thousand, thirty-three".