20496695 has 4 divisors (see below), whose sum is σ = 24596040. Its totient is φ = 16397352.

The previous prime is 20496689. The next prime is 20496701. The reversal of 20496695 is 59669402.

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

It is an interprime number because it is at equal distance from previous prime (20496689) and next prime (20496701).

It is a cyclic number.

It is not a de Polignac number, because 20496695 - 2¹⁸ = 20234551 is a prime.

It is a super-2 number, since 2×20496695² = 840229011846050, which contains 22 as substring.

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, 2049665 + ... + 2049674.

It is an arithmetic number, because the mean of its divisors is an integer number (6149010).

Almost surely, 2^20496695 is an apocalyptic number.

20496695 is a deficient number, since it is larger than the sum of its proper divisors (4099345).

20496695 is an equidigital number, since it uses as much as digits as its factorization.

20496695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4099344.

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

The square root of 20496695 is about 4527.3275781635. The cubic root of 20496695 is about 273.6704751522.

The spelling of 20496695 in words is "twenty million, four hundred ninety-six thousand, six hundred ninety-five".