20302029 has 32 divisors (see below), whose sum is σ = 34750080. Its totient is φ = 11577600.

The previous prime is 20302027. The next prime is 20302067. The reversal of 20302029 is 92020302.

It is not a de Polignac number, because 20302029 - 2¹ = 20302027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20302027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3039 + ... + 7059.

It is an arithmetic number, because the mean of its divisors is an integer number (1085940).

Almost surely, 2^20302029 is an apocalyptic number.

It is an amenable number.

20302029 is a deficient number, since it is larger than the sum of its proper divisors (14448051).

20302029 is a wasteful number, since it uses less digits than its factorization.

20302029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4052 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 20302029 is about 4505.7772914337. Note that the first 3 decimals coincide. The cubic root of 20302029 is about 272.8013287073.

The spelling of 20302029 in words is "twenty million, three hundred two thousand, twenty-nine".