20322029 has 8 divisors (see below), whose sum is σ = 25011840. Its totient is φ = 16078896.

The previous prime is 20322017. The next prime is 20322037. The reversal of 20322029 is 92022302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20322029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20322029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20328029) 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, 111569 + ... + 111750.

It is an arithmetic number, because the mean of its divisors is an integer number (3126480).

Almost surely, 2^20322029 is an apocalyptic number.

It is an amenable number.

20322029 is a deficient number, since it is larger than the sum of its proper divisors (4689811).

20322029 is a wasteful number, since it uses less digits than its factorization.

20322029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223339.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 20322029 is about 4507.9961180108. The cubic root of 20322029 is about 272.8908802809.

The spelling of 20322029 in words is "twenty million, three hundred twenty-two thousand, twenty-nine".