30020226231869 has 2 divisors, whose sum is σ = 30020226231870. Its totient is φ = 30020226231868.

The previous prime is 30020226231851. The next prime is 30020226231893. The reversal of 30020226231869 is 96813262202003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29988624058969 + 31602172900 = 5476187^2 + 177770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020226231869 is a prime.

It is a super-2 number, since 2×30020226231869² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39020226231869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010113115934 + 15010113115935.

It is an arithmetic number, because the mean of its divisors is an integer number (15010113115935).

Almost surely, 2^{30020226231869} is an apocalyptic number.

It is an amenable number.

30020226231869 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020226231869 is an equidigital number, since it uses as much as digits as its factorization.

30020226231869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 30020226231869 in words is "thirty trillion, twenty billion, two hundred twenty-six million, two hundred thirty-one thousand, eight hundred sixty-nine".