29750220 has 96 divisors (see below), whose sum is σ = 95121600. Its totient is φ = 7713792.

The previous prime is 29750209. The next prime is 29750233. The reversal of 29750220 is 2205792.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19236 + ... + 20724.

It is an arithmetic number, because the mean of its divisors is an integer number (990850).

Almost surely, 2^29750220 is an apocalyptic number.

29750220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29750220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47560800).

29750220 is an abundant number, since it is smaller than the sum of its proper divisors (65371380).

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

29750220 is a wasteful number, since it uses less digits than its factorization.

29750220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 29750220 is about 5454.3762246475. The cubic root of 29750220 is about 309.8584855301.

The spelling of 29750220 in words is "twenty-nine million, seven hundred fifty thousand, two hundred twenty".