30020677 has 2 divisors, whose sum is σ = 30020678. Its totient is φ = 30020676.

The previous prime is 30020663. The next prime is 30020693. The reversal of 30020677 is 77602003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24265476 + 5755201 = 4926^2 + 2399^2 .

It is an emirp because it is prime and its reverse (77602003) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30020677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30020377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15010338 + 15010339.

It is an arithmetic number, because the mean of its divisors is an integer number (15010339).

Almost surely, 2^30020677 is an apocalyptic number.

It is an amenable number.

30020677 is a deficient number, since it is larger than the sum of its proper divisors (1).

30020677 is an equidigital number, since it uses as much as digits as its factorization.

30020677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 25.

The square root of 30020677 is about 5479.1127931445. The cubic root of 30020677 is about 310.7946211415.

The spelling of 30020677 in words is "thirty million, twenty thousand, six hundred seventy-seven".