20364077 has 2 divisors, whose sum is σ = 20364078. Its totient is φ = 20364076.

The previous prime is 20364073. The next prime is 20364089. The reversal of 20364077 is 77046302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12823561 + 7540516 = 3581^2 + 2746^2 .

It is a cyclic number.

It is not a de Polignac number, because 20364077 - 2² = 20364073 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20364073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10182038 + 10182039.

It is an arithmetic number, because the mean of its divisors is an integer number (10182039).

Almost surely, 2^20364077 is an apocalyptic number.

It is an amenable number.

20364077 is a deficient number, since it is larger than the sum of its proper divisors (1).

20364077 is an equidigital number, since it uses as much as digits as its factorization.

20364077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 20364077 is about 4512.6574210769. The cubic root of 20364077 is about 273.0789620731.

The spelling of 20364077 in words is "twenty million, three hundred sixty-four thousand, seventy-seven".