20329101 has 24 divisors (see below), whose sum is σ = 31799040. Its totient is φ = 12440736.

The previous prime is 20329061. The next prime is 20329103. The reversal of 20329101 is 10192302.

It is a happy number.

It is not a de Polignac number, because 20329101 - 2⁹ = 20328589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20329103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27600 + ... + 28326.

It is an arithmetic number, because the mean of its divisors is an integer number (1324960).

Almost surely, 2^20329101 is an apocalyptic number.

It is an amenable number.

20329101 is a deficient number, since it is larger than the sum of its proper divisors (11469939).

20329101 is a wasteful number, since it uses less digits than its factorization.

20329101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 20329101 is about 4508.7804337759. The cubic root of 20329101 is about 272.9225316560.

The spelling of 20329101 in words is "twenty million, three hundred twenty-nine thousand, one hundred one".