20374073 has 2 divisors, whose sum is σ = 20374074. Its totient is φ = 20374072.

The previous prime is 20374069. The next prime is 20374091. The reversal of 20374073 is 37047302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18207289 + 2166784 = 4267^2 + 1472^2 .

It is a cyclic number.

It is not a de Polignac number, because 20374073 - 2² = 20374069 is a prime.

It is not a weakly prime, because it can be changed into another prime (20374063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10187036 + 10187037.

It is an arithmetic number, because the mean of its divisors is an integer number (10187037).

Almost surely, 2^20374073 is an apocalyptic number.

It is an amenable number.

20374073 is a deficient number, since it is larger than the sum of its proper divisors (1).

20374073 is an equidigital number, since it uses as much as digits as its factorization.

20374073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 20374073 is about 4513.7648365860. The cubic root of 20374073 is about 273.1236363425.

It can be divided in two parts, 2037 and 4073, that multiplied together give a triangular number (8296701 = T₄₀₇₃).

The spelling of 20374073 in words is "twenty million, three hundred seventy-four thousand, seventy-three".