29000220 has 24 divisors (see below), whose sum is σ = 81200784. Its totient is φ = 7733376.

The previous prime is 29000201. The next prime is 29000239. The reversal of 29000220 is 2200092.

It is an interprime number because it is at equal distance from previous prime (29000201) and next prime (29000239).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 29000220.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241609 + ... + 241728.

It is an arithmetic number, because the mean of its divisors is an integer number (3383366).

Almost surely, 2^29000220 is an apocalyptic number.

29000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29000220 is an abundant number, since it is smaller than the sum of its proper divisors (52200564).

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

29000220 is a wasteful number, since it uses less digits than its factorization.

29000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483349 (or 483347 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 29000220 is about 5385.1852335830. The cubic root of 29000220 is about 307.2324594743.

The spelling of 29000220 in words is "twenty-nine million, two hundred twenty", and thus it is an aban number.