20365923 has 8 divisors (see below), whose sum is σ = 27560128. Its totient is φ = 13374504.

The previous prime is 20365901. The next prime is 20365957. The reversal of 20365923 is 32956302.

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

It is not a de Polignac number, because 20365923 - 2¹² = 20361827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20365973) 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, 50461 + ... + 50862.

It is an arithmetic number, because the mean of its divisors is an integer number (3445016).

Almost surely, 2^20365923 is an apocalyptic number.

20365923 is a deficient number, since it is larger than the sum of its proper divisors (7194205).

20365923 is a wasteful number, since it uses less digits than its factorization.

20365923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101393.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 20365923 is about 4512.8619522427. The cubic root of 20365923 is about 273.0872133437.

The spelling of 20365923 in words is "twenty million, three hundred sixty-five thousand, nine hundred twenty-three".