20050494 has 16 divisors (see below), whose sum is σ = 40457232. Its totient is φ = 6624128.

The previous prime is 20050493. The next prime is 20050507. The reversal of 20050494 is 49405002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20050493) 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, 14109 + ... + 15464.

It is an arithmetic number, because the mean of its divisors is an integer number (2528577).

Almost surely, 2^20050494 is an apocalyptic number.

20050494 is an abundant number, since it is smaller than the sum of its proper divisors (20406738).

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

20050494 is a wasteful number, since it uses less digits than its factorization.

20050494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29691.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20050494 is about 4477.7777970775. Note that the first 4 decimals coincide. The cubic root of 20050494 is about 271.6700060228.

Adding to 20050494 its reverse (49405002), we get a palindrome (69455496).

The spelling of 20050494 in words is "twenty million, fifty thousand, four hundred ninety-four".