20329610 has 32 divisors (see below), whose sum is σ = 42681600. Its totient is φ = 6968976.

The previous prime is 20329597. The next prime is 20329649. The reversal of 20329610 is 1692302.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 467 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (1333800).

Almost surely, 2^20329610 is an apocalyptic number.

20329610 is an abundant number, since it is smaller than the sum of its proper divisors (22351990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20329610 is an equidigital number, since it uses as much as digits as its factorization.

20329610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5955 (or 5941 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 20329610 is about 4508.8368788414. The cubic root of 20329610 is about 272.9248094483.

The spelling of 20329610 in words is "twenty million, three hundred twenty-nine thousand, six hundred ten".