29020650 has 72 divisors (see below), whose sum is σ = 75245184. Its totient is φ = 7394400.

The previous prime is 29020631. The next prime is 29020669. The reversal of 29020650 is 5602092.

It is an interprime number because it is at equal distance from previous prime (29020631) and next prime (29020669).

It is a self number, because there is not a number n which added to its sum of digits gives 29020650.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 367311 + ... + 367389.

It is an arithmetic number, because the mean of its divisors is an integer number (1045072).

Almost surely, 2^29020650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29020650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37622592).

29020650 is an abundant number, since it is smaller than the sum of its proper divisors (46224534).

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

29020650 is a wasteful number, since it uses less digits than its factorization.

29020650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 29020650 is about 5387.0817703094. The cubic root of 29020650 is about 307.3045886487.

The spelling of 29020650 in words is "twenty-nine million, twenty thousand, six hundred fifty".