20662607033 has 2 divisors, whose sum is σ = 20662607034. Its totient is φ = 20662607032.

The previous prime is 20662606963. The next prime is 20662607057. The reversal of 20662607033 is 33070626602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15167646649 + 5494960384 = 123157^2 + 74128^2 .

It is a cyclic number.

It is not a de Polignac number, because 20662607033 - 2²⁴ = 20645829817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20662606984 and 20662607002.

It is not a weakly prime, because it can be changed into another prime (20662607093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10331303516 + 10331303517.

It is an arithmetic number, because the mean of its divisors is an integer number (10331303517).

Almost surely, 2^20662607033 is an apocalyptic number.

It is an amenable number.

20662607033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20662607033 is an equidigital number, since it uses as much as digits as its factorization.

20662607033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 35.

The spelling of 20662607033 in words is "twenty billion, six hundred sixty-two million, six hundred seven thousand, thirty-three".