29542220 has 12 divisors (see below), whose sum is σ = 62038704. Its totient is φ = 11816880.

The previous prime is 29542199. The next prime is 29542231. The reversal of 29542220 is 2224592.

It is a self number, because there is not a number n which added to its sum of digits gives 29542220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 738536 + ... + 738575.

It is an arithmetic number, because the mean of its divisors is an integer number (5169892).

Almost surely, 2^29542220 is an apocalyptic number.

29542220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29542220 is an abundant number, since it is smaller than the sum of its proper divisors (32496484).

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

29542220 is a wasteful number, since it uses less digits than its factorization.

29542220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477120 (or 1477118 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 29542220 is about 5435.2755219952. The cubic root of 29542220 is about 309.1346661864.

The spelling of 29542220 in words is "twenty-nine million, five hundred forty-two thousand, two hundred twenty".