29830020 has 48 divisors (see below), whose sum is σ = 91119168. Its totient is φ = 7231360.

The previous prime is 29829997. The next prime is 29830027. The reversal of 29830020 is 2003892.

It is not an unprimeable number, because it can be changed into a prime (29830027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21939 + ... + 23258.

It is an arithmetic number, because the mean of its divisors is an integer number (1898316).

Almost surely, 2^29830020 is an apocalyptic number.

29830020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29830020 is an abundant number, since it is smaller than the sum of its proper divisors (61289148).

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

29830020 is a wasteful number, since it uses less digits than its factorization.

29830020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45220 (or 45218 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 29830020 is about 5461.6865527051. The cubic root of 29830020 is about 310.1352860783.

The spelling of 29830020 in words is "twenty-nine million, eight hundred thirty thousand, twenty".