29108020 has 24 divisors (see below), whose sum is σ = 61967304. Its totient is φ = 11483136.

The previous prime is 29107999. The next prime is 29108021. The reversal of 29108020 is 2080192.

It can be written as a sum of positive squares in 4 ways, for example, as 933156 + 28174864 = 966^2 + 5308^2 .

It is a junction number, because it is equal to n+sod(n) for n = 29107982 and 29108000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29108021) 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, 8509 + ... + 11428.

It is an arithmetic number, because the mean of its divisors is an integer number (2581971).

Almost surely, 2^29108020 is an apocalyptic number.

29108020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29108020 is an abundant number, since it is smaller than the sum of its proper divisors (32859284).

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

29108020 is a wasteful number, since it uses less digits than its factorization.

29108020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20019 (or 20017 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 29108020 is about 5395.1848902517. The cubic root of 29108020 is about 307.6126716021.

The spelling of 29108020 in words is "twenty-nine million, one hundred eight thousand, twenty".