20694485 has 8 divisors (see below), whose sum is σ = 28381056. Its totient is φ = 14190480.

The previous prime is 20694469. The next prime is 20694493. The reversal of 20694485 is 58449602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20694485 - 2⁴ = 20694469 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 7 ways as a sum of consecutive naturals, for example, 295601 + ... + 295670.

It is an arithmetic number, because the mean of its divisors is an integer number (3547632).

Almost surely, 2^20694485 is an apocalyptic number.

It is an amenable number.

20694485 is a deficient number, since it is larger than the sum of its proper divisors (7686571).

20694485 is an equidigital number, since it uses as much as digits as its factorization.

20694485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591283.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 20694485 is about 4549.1191455050. The cubic root of 20694485 is about 274.5479515391.

The spelling of 20694485 in words is "twenty million, six hundred ninety-four thousand, four hundred eighty-five".