20696594 has 8 divisors (see below), whose sum is σ = 31393980. Its totient is φ = 10231936.

The previous prime is 20696587. The next prime is 20696699. The reversal of 20696594 is 49569602.

It can be written as a sum of positive squares in 2 ways, for example, as 20584369 + 112225 = 4537^2 + 335^2 .

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 57959 + ... + 58314.

Almost surely, 2^20696594 is an apocalyptic number.

20696594 is a deficient number, since it is larger than the sum of its proper divisors (10697386).

20696594 is a wasteful number, since it uses less digits than its factorization.

20696594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116364.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 20696594 is about 4549.3509427170. The cubic root of 20696594 is about 274.5572777269.

The spelling of 20696594 in words is "twenty million, six hundred ninety-six thousand, five hundred ninety-four".