20365958 has 8 divisors (see below), whose sum is σ = 30588528. Its totient is φ = 10169784.

The previous prime is 20365957. The next prime is 20365973. The reversal of 20365958 is 85956302.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20365957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4541 + ... + 7832.

It is an arithmetic number, because the mean of its divisors is an integer number (3823566).

Almost surely, 2^20365958 is an apocalyptic number.

20365958 is a deficient number, since it is larger than the sum of its proper divisors (10222570).

20365958 is a wasteful number, since it uses less digits than its factorization.

20365958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13198.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 20365958 is about 4512.8658300464. The cubic root of 20365958 is about 273.0873697823.

The spelling of 20365958 in words is "twenty million, three hundred sixty-five thousand, nine hundred fifty-eight".