20412029 has 8 divisors (see below), whose sum is σ = 22416960. Its totient is φ = 18432000.

The previous prime is 20411983. The next prime is 20412037. The reversal of 20412029 is 92021402.

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 20412029 - 2⁸ = 20411773 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20412029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4484 + ... + 7805.

It is an arithmetic number, because the mean of its divisors is an integer number (2802120).

Almost surely, 2^20412029 is an apocalyptic number.

It is an amenable number.

20412029 is a deficient number, since it is larger than the sum of its proper divisors (2004931).

20412029 is a wasteful number, since it uses less digits than its factorization.

20412029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 20412029 is about 4517.9673526930. The cubic root of 20412029 is about 273.2931368942.

The spelling of 20412029 in words is "twenty million, four hundred twelve thousand, twenty-nine".