29122320 has 40 divisors (see below), whose sum is σ = 90279936. Its totient is φ = 7765888.

The previous prime is 29122319. The next prime is 29122321. The reversal of 29122320 is 2322192.

It is an interprime number because it is at equal distance from previous prime (29122319) and next prime (29122321).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (29122321) 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, 60432 + ... + 60911.

Almost surely, 2^29122320 is an apocalyptic number.

29122320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29122320 is an abundant number, since it is smaller than the sum of its proper divisors (61157616).

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

29122320 is a wasteful number, since it uses less digits than its factorization.

29122320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121359 (or 121353 counting only the distinct ones).

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

The square root of 29122320 is about 5396.5099833133. The cubic root of 29122320 is about 307.6630373438.

The spelling of 29122320 in words is "twenty-nine million, one hundred twenty-two thousand, three hundred twenty".