20302111033 has 2 divisors, whose sum is σ = 20302111034. Its totient is φ = 20302111032.

The previous prime is 20302111019. The next prime is 20302111133. The reversal of 20302111033 is 33011120302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14311815424 + 5990295609 = 119632^2 + 77397^2 .

It is a cyclic number.

It is not a de Polignac number, because 20302111033 - 2¹³ = 20302102841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20302110998 and 20302111016.

It is not a weakly prime, because it can be changed into another prime (20302111133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10151055516 + 10151055517.

It is an arithmetic number, because the mean of its divisors is an integer number (10151055517).

Almost surely, 2^20302111033 is an apocalyptic number.

It is an amenable number.

20302111033 is a deficient number, since it is larger than the sum of its proper divisors (1).

20302111033 is an equidigital number, since it uses as much as digits as its factorization.

20302111033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 20302111033 its reverse (33011120302), we get a palindrome (53313231335).

The spelling of 20302111033 in words is "twenty billion, three hundred two million, one hundred eleven thousand, thirty-three".