9920029 has 8 divisors (see below), whose sum is σ = 11465280. Its totient is φ = 8406816.

The previous prime is 9920021. The next prime is 9920041. The reversal of 9920029 is 9200299.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9920029 - 2³ = 9920021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9920021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7339 + ... + 8584.

It is an arithmetic number, because the mean of its divisors is an integer number (1433160).

Almost surely, 2^9920029 is an apocalyptic number.

It is an amenable number.

9920029 is a deficient number, since it is larger than the sum of its proper divisors (1545251).

9920029 is a wasteful number, since it uses less digits than its factorization.

9920029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16019.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 9920029 is about 3149.6077533560. The cubic root of 9920029 is about 214.8676235778.

The spelling of 9920029 in words is "nine million, nine hundred twenty thousand, twenty-nine".