29920163 has 16 divisors (see below), whose sum is σ = 37033920. Its totient is φ = 23538816.

The previous prime is 29920159. The next prime is 29920169. The reversal of 29920163 is 36102992.

It is not a de Polignac number, because 29920163 - 2² = 29920159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29920169) 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, 17093 + ... + 18761.

It is an arithmetic number, because the mean of its divisors is an integer number (2314620).

Almost surely, 2^29920163 is an apocalyptic number.

29920163 is a deficient number, since it is larger than the sum of its proper divisors (7113757).

29920163 is a wasteful number, since it uses less digits than its factorization.

29920163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 29920163 is about 5469.9326321263. The cubic root of 29920163 is about 310.4473700323.

The spelling of 29920163 in words is "twenty-nine million, nine hundred twenty thousand, one hundred sixty-three".