20492067 has 8 divisors (see below), whose sum is σ = 28265040. Its totient is φ = 13190240.

The previous prime is 20492063. The next prime is 20492071. The reversal of 20492067 is 76029402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20492063) and next prime (20492071).

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

It is a cyclic number.

It is not a de Polignac number, because 20492067 - 2² = 20492063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20492063) 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 7 ways as a sum of consecutive naturals, for example, 117684 + ... + 117857.

It is an arithmetic number, because the mean of its divisors is an integer number (3533130).

Almost surely, 2^20492067 is an apocalyptic number.

20492067 is a deficient number, since it is larger than the sum of its proper divisors (7772973).

20492067 is a wasteful number, since it uses less digits than its factorization.

20492067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235573.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 20492067 is about 4526.8164310031. The cubic root of 20492067 is about 273.6498760215.

The spelling of 20492067 in words is "twenty million, four hundred ninety-two thousand, sixty-seven".