29030920 has 32 divisors (see below), whose sum is σ = 66153600. Its totient is φ = 11464128.

The previous prime is 29030893. The next prime is 29030921. The reversal of 29030920 is 2903092.

It is not an unprimeable number, because it can be changed into a prime (29030921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (2067300).

Almost surely, 2^29030920 is an apocalyptic number.

29030920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29030920 is an abundant number, since it is smaller than the sum of its proper divisors (37122680).

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

29030920 is a wasteful number, since it uses less digits than its factorization.

29030920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9277 (or 9273 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 29030920 is about 5388.0348922404. The cubic root of 29030920 is about 307.3408346311.

The spelling of 29030920 in words is "twenty-nine million, thirty thousand, nine hundred twenty".