29242820 has 48 divisors (see below), whose sum is σ = 63174720. Its totient is φ = 11366784.

The previous prime is 29242813. The next prime is 29242823. The reversal of 29242820 is 2824292.

It is not an unprimeable number, because it can be changed into a prime (29242823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186182 + ... + 186338.

It is an arithmetic number, because the mean of its divisors is an integer number (1316140).

Almost surely, 2^29242820 is an apocalyptic number.

29242820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29242820 is an abundant number, since it is smaller than the sum of its proper divisors (33931900).

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

29242820 is a wasteful number, since it uses less digits than its factorization.

29242820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 29242820 is about 5407.6630812209. The cubic root of 29242820 is about 308.0867945641.

The spelling of 29242820 in words is "twenty-nine million, two hundred forty-two thousand, eight hundred twenty".