29381075220 has 576 divisors, whose sum is σ = 106491248640. Its totient is φ = 6025985280.

The previous prime is 29381075183. The next prime is 29381075221. The reversal of 29381075220 is 2257018392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29381075221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 625129237 + ... + 625129283.

It is an arithmetic number, because the mean of its divisors is an integer number (184880640).

Almost surely, 2^29381075220 is an apocalyptic number.

29381075220 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 29381075220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53245624320).

29381075220 is an abundant number, since it is smaller than the sum of its proper divisors (77110173420).

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

29381075220 is a wasteful number, since it uses less digits than its factorization.

29381075220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 29381075220 in words is "twenty-nine billion, three hundred eighty-one million, seventy-five thousand, two hundred twenty".