20093477 has 2 divisors, whose sum is σ = 20093478. Its totient is φ = 20093476.

The previous prime is 20093471. The next prime is 20093483. The reversal of 20093477 is 77439002.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20093471) and next prime (20093483).

It can be written as a sum of positive squares in only one way, i.e., 11296321 + 8797156 = 3361^2 + 2966^2 .

It is a cyclic number.

It is not a de Polignac number, because 20093477 - 2¹⁶ = 20027941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20093471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10046738 + 10046739.

It is an arithmetic number, because the mean of its divisors is an integer number (10046739).

Almost surely, 2^20093477 is an apocalyptic number.

It is an amenable number.

20093477 is a deficient number, since it is larger than the sum of its proper divisors (1).

20093477 is an equidigital number, since it uses as much as digits as its factorization.

20093477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 20093477 is about 4482.5748181151. The cubic root of 20093477 is about 271.8639972118.

The spelling of 20093477 in words is "twenty million, ninety-three thousand, four hundred seventy-seven".