20374085 has 4 divisors (see below), whose sum is σ = 24448908. Its totient is φ = 16299264.

The previous prime is 20374073. The next prime is 20374091. The reversal of 20374085 is 58047302.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8025889 + 12348196 = 2833^2 + 3514^2 .

It is a cyclic number.

It is not a de Polignac number, because 20374085 - 2⁴ = 20374069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037404 + ... + 2037413.

It is an arithmetic number, because the mean of its divisors is an integer number (6112227).

Almost surely, 2^20374085 is an apocalyptic number.

It is an amenable number.

20374085 is a deficient number, since it is larger than the sum of its proper divisors (4074823).

20374085 is an equidigital number, since it uses as much as digits as its factorization.

20374085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074822.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 20374085 is about 4513.7661658531. The cubic root of 20374085 is about 273.1236899643.

The spelling of 20374085 in words is "twenty million, three hundred seventy-four thousand, eighty-five".