20696113 has 4 divisors (see below), whose sum is σ = 21595968. Its totient is φ = 19796260.

The previous prime is 20696077. The next prime is 20696119. The reversal of 20696113 is 31169602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20696113 - 2⁹ = 20695601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20696119) 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 in 3 ways as a sum of consecutive naturals, for example, 449893 + ... + 449938.

It is an arithmetic number, because the mean of its divisors is an integer number (5398992).

Almost surely, 2^20696113 is an apocalyptic number.

20696113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20696113 is a deficient number, since it is larger than the sum of its proper divisors (899855).

20696113 is an equidigital number, since it uses as much as digits as its factorization.

20696113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899854.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 20696113 is about 4549.2980777258. The cubic root of 20696113 is about 274.5551507574. Note that the first 3 decimals are identical.

The spelling of 20696113 in words is "twenty million, six hundred ninety-six thousand, one hundred thirteen".