20365994 has 24 divisors (see below), whose sum is σ = 35048160. Its totient is φ = 8852360.

The previous prime is 20365991. The next prime is 20365997. The reversal of 20365994 is 49956302.

It is an interprime number because it is at equal distance from previous prime (20365991) and next prime (20365997).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20365991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3737 + ... + 7395.

It is an arithmetic number, because the mean of its divisors is an integer number (1460340).

Almost surely, 2^20365994 is an apocalyptic number.

20365994 is a deficient number, since it is larger than the sum of its proper divisors (14682166).

20365994 is a wasteful number, since it uses less digits than its factorization.

20365994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 20365994 is about 4512.8698186409. The cubic root of 20365994 is about 273.0875306903.

The spelling of 20365994 in words is "twenty million, three hundred sixty-five thousand, nine hundred ninety-four".