20329097 has 4 divisors (see below), whose sum is σ = 20340096. Its totient is φ = 20318100.

The previous prime is 20329061. The next prime is 20329103. The reversal of 20329097 is 79092302.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20329097 - 2¹⁴ = 20312713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20329597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1973 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (5085024).

Almost surely, 2^20329097 is an apocalyptic number.

It is an amenable number.

20329097 is a deficient number, since it is larger than the sum of its proper divisors (10999).

20329097 is an equidigital number, since it uses as much as digits as its factorization.

20329097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10998.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 20329097 is about 4508.7799901969. The cubic root of 20329097 is about 272.9225137557.

The spelling of 20329097 in words is "twenty million, three hundred twenty-nine thousand, ninety-seven".