20329410 has 16 divisors (see below), whose sum is σ = 48790656. Its totient is φ = 5421168.

The previous prime is 20329363. The next prime is 20329417. The reversal of 20329410 is 1492302.

It is not an unprimeable number, because it can be changed into a prime (20329417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338794 + ... + 338853.

It is an arithmetic number, because the mean of its divisors is an integer number (3049416).

Almost surely, 2^20329410 is an apocalyptic number.

20329410 is an abundant number, since it is smaller than the sum of its proper divisors (28461246).

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

20329410 is a wasteful number, since it uses less digits than its factorization.

20329410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677657.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20329410 is about 4508.8147001180. The cubic root of 20329410 is about 272.9239144460.

The spelling of 20329410 in words is "twenty million, three hundred twenty-nine thousand, four hundred ten".