20329300 has 18 divisors (see below), whose sum is σ = 44114798. Its totient is φ = 8131680.

The previous prime is 20329279. The next prime is 20329301. The reversal of 20329300 is 392302.

It can be written as a sum of positive squares in 3 ways, for example, as 3139984 + 17189316 = 1772^2 + 4146^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20329301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101547 + ... + 101746.

Almost surely, 2^20329300 is an apocalyptic number.

20329300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20329300 is an abundant number, since it is smaller than the sum of its proper divisors (23785498).

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

20329300 is a wasteful number, since it uses less digits than its factorization.

20329300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203307 (or 203300 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 20329300 is about 4508.8025017736. The cubic root of 20329300 is about 272.9234221923.

The spelling of 20329300 in words is "twenty million, three hundred twenty-nine thousand, three hundred".