20594994 has 24 divisors (see below), whose sum is σ = 47915568. Its totient is φ = 5884200.

The previous prime is 20594989. The next prime is 20594999. The reversal of 20594994 is 49949502.

It is an interprime number because it is at equal distance from previous prime (20594989) and next prime (20594999).

It is a super-3 number, since 3×20594994³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (20594999) 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, 34732 + ... + 35319.

It is an arithmetic number, because the mean of its divisors is an integer number (1996482).

Almost surely, 2^20594994 is an apocalyptic number.

20594994 is an abundant number, since it is smaller than the sum of its proper divisors (27320574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20594994 is a wasteful number, since it uses less digits than its factorization.

20594994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70070 (or 70063 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 20594994 is about 4538.1707768659. The cubic root of 20594994 is about 274.1072714754.

The spelling of 20594994 in words is "twenty million, five hundred ninety-four thousand, nine hundred ninety-four".